Lijsten 115 Autocad 3D Tutorial Pdf Vers

Lijsten 115 Autocad 3D Tutorial Pdf Vers. Click 3d modeling and ok. The first true 3d computer model created on cad systems in the late 1970s was the 3d wireframe model. Contents chapter 1 welcome to the autocad civil 3d tutorials. The second control panel contains commands and … Each wedge contains a single navigation tool.

Coolste Autocad 2019 3d Tutorial For Beginners Youtube

Click 3d modeling and ok. Computer generated 3d wireframe models contain information about the locations of all the corners and edges in space coordinates. You can start a navigation tool by clicking a wedge

You can start a navigation tool by clicking a wedge

For example, the top control panel contains commands that create and modify 3d solids; Steeringwheels, or "wheels," are divided into wedges; The second control panel contains commands and … For example, the top control panel contains commands that create and modify 3d solids; Contents chapter 1 welcome to the autocad civil 3d tutorials. Each wedge contains a single navigation tool. The second control panel contains commands and … Click 3d modeling and ok.

Each wedge contains a single navigation tool... Steeringwheels, or "wheels," are divided into wedges; You can start a navigation tool by clicking a wedge Each wedge contains a single navigation tool. For example, the top control panel contains commands that create and modify 3d solids;. These series will be focused on advanced use of promine to keep your work efficient and productive.

You can start a navigation tool by clicking a wedge. The first true 3d computer model created on cad systems in the late 1970s was the 3d wireframe model. For example, the top control panel contains commands that create and modify 3d solids; Computer generated 3d wireframe models contain information about the locations of all the corners and edges in space coordinates. The second control panel contains commands and … You can start a navigation tool by clicking a wedge These series will be focused on advanced use of promine to keep your work efficient and productive. Each wedge contains a single navigation tool. The second control panel contains commands and …. Contents chapter 1 welcome to the autocad civil 3d tutorials.

For example, the top control panel contains commands that create and modify 3d solids; The second control panel contains commands and … You can start a navigation tool by clicking a wedge Computer generated 3d wireframe models contain information about the locations of all the corners and edges in space coordinates. Contents chapter 1 welcome to the autocad civil 3d tutorials. For example, the top control panel contains commands that create and modify 3d solids; Each wedge contains a single navigation tool. These series will be focused on advanced use of promine to keep your work efficient and productive. Steeringwheels, or "wheels," are divided into wedges; The second control panel contains commands and …

The second control panel contains commands and … The second control panel contains commands and … Steeringwheels, or "wheels," are divided into wedges; Contents chapter 1 welcome to the autocad civil 3d tutorials. You can start a navigation tool by clicking a wedge Each wedge contains a single navigation tool. For example, the top control panel contains commands that create and modify 3d solids; For example, the top control panel contains commands that create and modify 3d solids; Click 3d modeling and ok. The second control panel contains commands and …. These series will be focused on advanced use of promine to keep your work efficient and productive.

Click 3d modeling and ok... For example, the top control panel contains commands that create and modify 3d solids;. These series will be focused on advanced use of promine to keep your work efficient and productive.

For example, the top control panel contains commands that create and modify 3d solids;.. For example, the top control panel contains commands that create and modify 3d solids; Steeringwheels, or "wheels," are divided into wedges; For example, the top control panel contains commands that create and modify 3d solids; Contents chapter 1 welcome to the autocad civil 3d tutorials. The first true 3d computer model created on cad systems in the late 1970s was the 3d wireframe model. Computer generated 3d wireframe models contain information about the locations of all the corners and edges in space coordinates. The second control panel contains commands and … Each wedge contains a single navigation tool.. Steeringwheels, or "wheels," are divided into wedges;

The second control panel contains commands and … Click 3d modeling and ok. Each wedge contains a single navigation tool. The second control panel contains commands and … Contents chapter 1 welcome to the autocad civil 3d tutorials.

The second control panel contains commands and … You can start a navigation tool by clicking a wedge The second control panel contains commands and … Steeringwheels, or "wheels," are divided into wedges; The second control panel contains commands and … For example, the top control panel contains commands that create and modify 3d solids; For example, the top control panel contains commands that create and modify 3d solids; Contents chapter 1 welcome to the autocad civil 3d tutorials. Click 3d modeling and ok. Each wedge contains a single navigation tool. The first true 3d computer model created on cad systems in the late 1970s was the 3d wireframe model.. For example, the top control panel contains commands that create and modify 3d solids;

Each wedge contains a single navigation tool... Contents chapter 1 welcome to the autocad civil 3d tutorials. For example, the top control panel contains commands that create and modify 3d solids; Steeringwheels, or "wheels," are divided into wedges; Click 3d modeling and ok. Computer generated 3d wireframe models contain information about the locations of all the corners and edges in space coordinates. For example, the top control panel contains commands that create and modify 3d solids; Each wedge contains a single navigation tool. You can start a navigation tool by clicking a wedge. Computer generated 3d wireframe models contain information about the locations of all the corners and edges in space coordinates.

The second control panel contains commands and … For example, the top control panel contains commands that create and modify 3d solids; Contents chapter 1 welcome to the autocad civil 3d tutorials.. Contents chapter 1 welcome to the autocad civil 3d tutorials.

These series will be focused on advanced use of promine to keep your work efficient and productive. .. The second control panel contains commands and …

Contents chapter 1 welcome to the autocad civil 3d tutorials. For example, the top control panel contains commands that create and modify 3d solids; These series will be focused on advanced use of promine to keep your work efficient and productive. The first true 3d computer model created on cad systems in the late 1970s was the 3d wireframe model. The second control panel contains commands and …

These series will be focused on advanced use of promine to keep your work efficient and productive. The second control panel contains commands and … Steeringwheels, or "wheels," are divided into wedges; Each wedge contains a single navigation tool. These series will be focused on advanced use of promine to keep your work efficient and productive. Computer generated 3d wireframe models contain information about the locations of all the corners and edges in space coordinates. You can start a navigation tool by clicking a wedge. Computer generated 3d wireframe models contain information about the locations of all the corners and edges in space coordinates.

You can start a navigation tool by clicking a wedge The first true 3d computer model created on cad systems in the late 1970s was the 3d wireframe model. The second control panel contains commands and … The second control panel contains commands and … You can start a navigation tool by clicking a wedge. These series will be focused on advanced use of promine to keep your work efficient and productive.

You can start a navigation tool by clicking a wedge For example, the top control panel contains commands that create and modify 3d solids;.. Click 3d modeling and ok.

For example, the top control panel contains commands that create and modify 3d solids; Contents chapter 1 welcome to the autocad civil 3d tutorials. Steeringwheels, or "wheels," are divided into wedges; Click 3d modeling and ok. For example, the top control panel contains commands that create and modify 3d solids; These series will be focused on advanced use of promine to keep your work efficient and productive. For example, the top control panel contains commands that create and modify 3d solids; Each wedge contains a single navigation tool. Computer generated 3d wireframe models contain information about the locations of all the corners and edges in space coordinates. You can start a navigation tool by clicking a wedge. Click 3d modeling and ok.

The first true 3d computer model created on cad systems in the late 1970s was the 3d wireframe model.. For example, the top control panel contains commands that create and modify 3d solids; These series will be focused on advanced use of promine to keep your work efficient and productive. Steeringwheels, or "wheels," are divided into wedges; The first true 3d computer model created on cad systems in the late 1970s was the 3d wireframe model. Click 3d modeling and ok. For example, the top control panel contains commands that create and modify 3d solids; You can start a navigation tool by clicking a wedge Each wedge contains a single navigation tool. The second control panel contains commands and ….. The second control panel contains commands and …

The first true 3d computer model created on cad systems in the late 1970s was the 3d wireframe model. For example, the top control panel contains commands that create and modify 3d solids;

The first true 3d computer model created on cad systems in the late 1970s was the 3d wireframe model. The second control panel contains commands and … For example, the top control panel contains commands that create and modify 3d solids; Computer generated 3d wireframe models contain information about the locations of all the corners and edges in space coordinates. The first true 3d computer model created on cad systems in the late 1970s was the 3d wireframe model. Contents chapter 1 welcome to the autocad civil 3d tutorials. For example, the top control panel contains commands that create and modify 3d solids; Steeringwheels, or "wheels," are divided into wedges; The second control panel contains commands and … You can start a navigation tool by clicking a wedge Click 3d modeling and ok. The second control panel contains commands and …

For example, the top control panel contains commands that create and modify 3d solids; For example, the top control panel contains commands that create and modify 3d solids; Contents chapter 1 welcome to the autocad civil 3d tutorials. The second control panel contains commands and … For example, the top control panel contains commands that create and modify 3d solids;. For example, the top control panel contains commands that create and modify 3d solids;

These series will be focused on advanced use of promine to keep your work efficient and productive... Click 3d modeling and ok. Computer generated 3d wireframe models contain information about the locations of all the corners and edges in space coordinates. Contents chapter 1 welcome to the autocad civil 3d tutorials.. Click 3d modeling and ok.

Each wedge contains a single navigation tool... The first true 3d computer model created on cad systems in the late 1970s was the 3d wireframe model. Each wedge contains a single navigation tool. You can start a navigation tool by clicking a wedge For example, the top control panel contains commands that create and modify 3d solids; These series will be focused on advanced use of promine to keep your work efficient and productive. The second control panel contains commands and ….. Computer generated 3d wireframe models contain information about the locations of all the corners and edges in space coordinates.

You can start a navigation tool by clicking a wedge.. Click 3d modeling and ok. For example, the top control panel contains commands that create and modify 3d solids; Steeringwheels, or "wheels," are divided into wedges; For example, the top control panel contains commands that create and modify 3d solids; The first true 3d computer model created on cad systems in the late 1970s was the 3d wireframe model. Contents chapter 1 welcome to the autocad civil 3d tutorials. These series will be focused on advanced use of promine to keep your work efficient and productive. The second control panel contains commands and … For example, the top control panel contains commands that create and modify 3d solids;

Computer generated 3d wireframe models contain information about the locations of all the corners and edges in space coordinates. Computer generated 3d wireframe models contain information about the locations of all the corners and edges in space coordinates. For example, the top control panel contains commands that create and modify 3d solids; Click 3d modeling and ok.

You can start a navigation tool by clicking a wedge.. The second control panel contains commands and …

Steeringwheels, or "wheels," are divided into wedges;. For example, the top control panel contains commands that create and modify 3d solids; Each wedge contains a single navigation tool. Contents chapter 1 welcome to the autocad civil 3d tutorials. You can start a navigation tool by clicking a wedge Click 3d modeling and ok. Computer generated 3d wireframe models contain information about the locations of all the corners and edges in space coordinates.. For example, the top control panel contains commands that create and modify 3d solids;

For example, the top control panel contains commands that create and modify 3d solids; The second control panel contains commands and … These series will be focused on advanced use of promine to keep your work efficient and productive. For example, the top control panel contains commands that create and modify 3d solids;

Computer generated 3d wireframe models contain information about the locations of all the corners and edges in space coordinates. . You can start a navigation tool by clicking a wedge

Steeringwheels, or "wheels," are divided into wedges;. You can start a navigation tool by clicking a wedge Click 3d modeling and ok. These series will be focused on advanced use of promine to keep your work efficient and productive. Contents chapter 1 welcome to the autocad civil 3d tutorials. Computer generated 3d wireframe models contain information about the locations of all the corners and edges in space coordinates. The second control panel contains commands and …. Each wedge contains a single navigation tool.

Steeringwheels, or "wheels," are divided into wedges; Contents chapter 1 welcome to the autocad civil 3d tutorials. These series will be focused on advanced use of promine to keep your work efficient and productive. For example, the top control panel contains commands that create and modify 3d solids; Steeringwheels, or "wheels," are divided into wedges; The second control panel contains commands and … Each wedge contains a single navigation tool. Computer generated 3d wireframe models contain information about the locations of all the corners and edges in space coordinates.

The second control panel contains commands and … You can start a navigation tool by clicking a wedge Steeringwheels, or "wheels," are divided into wedges; Contents chapter 1 welcome to the autocad civil 3d tutorials. The first true 3d computer model created on cad systems in the late 1970s was the 3d wireframe model. Click 3d modeling and ok. The second control panel contains commands and … Each wedge contains a single navigation tool. The second control panel contains commands and … For example, the top control panel contains commands that create and modify 3d solids; Computer generated 3d wireframe models contain information about the locations of all the corners and edges in space coordinates.. Steeringwheels, or "wheels," are divided into wedges;

For example, the top control panel contains commands that create and modify 3d solids; . You can start a navigation tool by clicking a wedge

For example, the top control panel contains commands that create and modify 3d solids;. For example, the top control panel contains commands that create and modify 3d solids; For example, the top control panel contains commands that create and modify 3d solids; You can start a navigation tool by clicking a wedge The second control panel contains commands and …

Each wedge contains a single navigation tool. The first true 3d computer model created on cad systems in the late 1970s was the 3d wireframe model. These series will be focused on advanced use of promine to keep your work efficient and productive. Steeringwheels, or "wheels," are divided into wedges; For example, the top control panel contains commands that create and modify 3d solids; The first true 3d computer model created on cad systems in the late 1970s was the 3d wireframe model.

Click 3d modeling and ok. These series will be focused on advanced use of promine to keep your work efficient and productive. You can start a navigation tool by clicking a wedge The second control panel contains commands and … The first true 3d computer model created on cad systems in the late 1970s was the 3d wireframe model. Steeringwheels, or "wheels," are divided into wedges; For example, the top control panel contains commands that create and modify 3d solids; The second control panel contains commands and … For example, the top control panel contains commands that create and modify 3d solids; Contents chapter 1 welcome to the autocad civil 3d tutorials... These series will be focused on advanced use of promine to keep your work efficient and productive.

For example, the top control panel contains commands that create and modify 3d solids; Each wedge contains a single navigation tool. Contents chapter 1 welcome to the autocad civil 3d tutorials. Computer generated 3d wireframe models contain information about the locations of all the corners and edges in space coordinates. The second control panel contains commands and … The second control panel contains commands and … These series will be focused on advanced use of promine to keep your work efficient and productive. For example, the top control panel contains commands that create and modify 3d solids; Steeringwheels, or "wheels," are divided into wedges; For example, the top control panel contains commands that create and modify 3d solids; You can start a navigation tool by clicking a wedge The second control panel contains commands and …

Steeringwheels, or "wheels," are divided into wedges;. The first true 3d computer model created on cad systems in the late 1970s was the 3d wireframe model. Each wedge contains a single navigation tool. These series will be focused on advanced use of promine to keep your work efficient and productive. Contents chapter 1 welcome to the autocad civil 3d tutorials. Computer generated 3d wireframe models contain information about the locations of all the corners and edges in space coordinates. You can start a navigation tool by clicking a wedge.. The first true 3d computer model created on cad systems in the late 1970s was the 3d wireframe model.

Each wedge contains a single navigation tool... The second control panel contains commands and … Contents chapter 1 welcome to the autocad civil 3d tutorials. You can start a navigation tool by clicking a wedge For example, the top control panel contains commands that create and modify 3d solids; Click 3d modeling and ok. The first true 3d computer model created on cad systems in the late 1970s was the 3d wireframe model. Steeringwheels, or "wheels," are divided into wedges; Computer generated 3d wireframe models contain information about the locations of all the corners and edges in space coordinates. The second control panel contains commands and …

Each wedge contains a single navigation tool. The second control panel contains commands and … For example, the top control panel contains commands that create and modify 3d solids; Computer generated 3d wireframe models contain information about the locations of all the corners and edges in space coordinates. For example, the top control panel contains commands that create and modify 3d solids; Steeringwheels, or "wheels," are divided into wedges; Contents chapter 1 welcome to the autocad civil 3d tutorials. Click 3d modeling and ok.. Computer generated 3d wireframe models contain information about the locations of all the corners and edges in space coordinates.

For example, the top control panel contains commands that create and modify 3d solids;.. .. Computer generated 3d wireframe models contain information about the locations of all the corners and edges in space coordinates.

For example, the top control panel contains commands that create and modify 3d solids; Click 3d modeling and ok. Click 3d modeling and ok.

The second control panel contains commands and … Each wedge contains a single navigation tool. For example, the top control panel contains commands that create and modify 3d solids; These series will be focused on advanced use of promine to keep your work efficient and productive. Click 3d modeling and ok. The second control panel contains commands and … The first true 3d computer model created on cad systems in the late 1970s was the 3d wireframe model. You can start a navigation tool by clicking a wedge Steeringwheels, or "wheels," are divided into wedges; Computer generated 3d wireframe models contain information about the locations of all the corners and edges in space coordinates. The second control panel contains commands and …. Contents chapter 1 welcome to the autocad civil 3d tutorials.

The first true 3d computer model created on cad systems in the late 1970s was the 3d wireframe model. Each wedge contains a single navigation tool. The first true 3d computer model created on cad systems in the late 1970s was the 3d wireframe model. Steeringwheels, or "wheels," are divided into wedges; Contents chapter 1 welcome to the autocad civil 3d tutorials. For example, the top control panel contains commands that create and modify 3d solids; You can start a navigation tool by clicking a wedge The second control panel contains commands and … For example, the top control panel contains commands that create and modify 3d solids; Computer generated 3d wireframe models contain information about the locations of all the corners and edges in space coordinates.. For example, the top control panel contains commands that create and modify 3d solids;

For example, the top control panel contains commands that create and modify 3d solids; The second control panel contains commands and … The second control panel contains commands and … Steeringwheels, or "wheels," are divided into wedges; For example, the top control panel contains commands that create and modify 3d solids;. These series will be focused on advanced use of promine to keep your work efficient and productive.

For example, the top control panel contains commands that create and modify 3d solids;.. These series will be focused on advanced use of promine to keep your work efficient and productive. Contents chapter 1 welcome to the autocad civil 3d tutorials. For example, the top control panel contains commands that create and modify 3d solids; Each wedge contains a single navigation tool. For example, the top control panel contains commands that create and modify 3d solids; The second control panel contains commands and … Click 3d modeling and ok. The first true 3d computer model created on cad systems in the late 1970s was the 3d wireframe model. The first true 3d computer model created on cad systems in the late 1970s was the 3d wireframe model.

You can start a navigation tool by clicking a wedge Steeringwheels, or "wheels," are divided into wedges;.. The second control panel contains commands and …

You can start a navigation tool by clicking a wedge.. Steeringwheels, or "wheels," are divided into wedges; The first true 3d computer model created on cad systems in the late 1970s was the 3d wireframe model. For example, the top control panel contains commands that create and modify 3d solids; The second control panel contains commands and … The second control panel contains commands and … These series will be focused on advanced use of promine to keep your work efficient and productive. For example, the top control panel contains commands that create and modify 3d solids; Click 3d modeling and ok. The first true 3d computer model created on cad systems in the late 1970s was the 3d wireframe model.

Click 3d modeling and ok. Click 3d modeling and ok. Steeringwheels, or "wheels," are divided into wedges; The second control panel contains commands and … For example, the top control panel contains commands that create and modify 3d solids; Each wedge contains a single navigation tool. Contents chapter 1 welcome to the autocad civil 3d tutorials. You can start a navigation tool by clicking a wedge.. Contents chapter 1 welcome to the autocad civil 3d tutorials.

The first true 3d computer model created on cad systems in the late 1970s was the 3d wireframe model.. The first true 3d computer model created on cad systems in the late 1970s was the 3d wireframe model. The second control panel contains commands and … You can start a navigation tool by clicking a wedge Each wedge contains a single navigation tool. Contents chapter 1 welcome to the autocad civil 3d tutorials. Steeringwheels, or "wheels," are divided into wedges; Computer generated 3d wireframe models contain information about the locations of all the corners and edges in space coordinates. For example, the top control panel contains commands that create and modify 3d solids; For example, the top control panel contains commands that create and modify 3d solids; The second control panel contains commands and … Contents chapter 1 welcome to the autocad civil 3d tutorials.

Computer generated 3d wireframe models contain information about the locations of all the corners and edges in space coordinates. The second control panel contains commands and … Computer generated 3d wireframe models contain information about the locations of all the corners and edges in space coordinates. These series will be focused on advanced use of promine to keep your work efficient and productive. The first true 3d computer model created on cad systems in the late 1970s was the 3d wireframe model. Click 3d modeling and ok.. Computer generated 3d wireframe models contain information about the locations of all the corners and edges in space coordinates.

The second control panel contains commands and …. .. These series will be focused on advanced use of promine to keep your work efficient and productive.

Each wedge contains a single navigation tool. For example, the top control panel contains commands that create and modify 3d solids; Steeringwheels, or "wheels," are divided into wedges; The first true 3d computer model created on cad systems in the late 1970s was the 3d wireframe model. Each wedge contains a single navigation tool. Click 3d modeling and ok. Contents chapter 1 welcome to the autocad civil 3d tutorials. Computer generated 3d wireframe models contain information about the locations of all the corners and edges in space coordinates... You can start a navigation tool by clicking a wedge

For example, the top control panel contains commands that create and modify 3d solids; The second control panel contains commands and … The second control panel contains commands and … Contents chapter 1 welcome to the autocad civil 3d tutorials. These series will be focused on advanced use of promine to keep your work efficient and productive. The first true 3d computer model created on cad systems in the late 1970s was the 3d wireframe model. Steeringwheels, or "wheels," are divided into wedges;.. Click 3d modeling and ok.

The second control panel contains commands and ….. Click 3d modeling and ok. The first true 3d computer model created on cad systems in the late 1970s was the 3d wireframe model. Each wedge contains a single navigation tool.

For example, the top control panel contains commands that create and modify 3d solids; Contents chapter 1 welcome to the autocad civil 3d tutorials. The first true 3d computer model created on cad systems in the late 1970s was the 3d wireframe model. Computer generated 3d wireframe models contain information about the locations of all the corners and edges in space coordinates. You can start a navigation tool by clicking a wedge Click 3d modeling and ok. The second control panel contains commands and … The second control panel contains commands and … For example, the top control panel contains commands that create and modify 3d solids; Steeringwheels, or "wheels," are divided into wedges;.. The first true 3d computer model created on cad systems in the late 1970s was the 3d wireframe model.

Each wedge contains a single navigation tool.. For example, the top control panel contains commands that create and modify 3d solids; You can start a navigation tool by clicking a wedge Click 3d modeling and ok. For example, the top control panel contains commands that create and modify 3d solids; The second control panel contains commands and ….. The first true 3d computer model created on cad systems in the late 1970s was the 3d wireframe model.

Steeringwheels, or "wheels," are divided into wedges; The first true 3d computer model created on cad systems in the late 1970s was the 3d wireframe model. For example, the top control panel contains commands that create and modify 3d solids;

Contents chapter 1 welcome to the autocad civil 3d tutorials. For example, the top control panel contains commands that create and modify 3d solids;

The second control panel contains commands and … The second control panel contains commands and … For example, the top control panel contains commands that create and modify 3d solids; The second control panel contains commands and … Contents chapter 1 welcome to the autocad civil 3d tutorials. These series will be focused on advanced use of promine to keep your work efficient and productive.

Click 3d modeling and ok... You can start a navigation tool by clicking a wedge These series will be focused on advanced use of promine to keep your work efficient and productive. Click 3d modeling and ok. You can start a navigation tool by clicking a wedge

Contents chapter 1 welcome to the autocad civil 3d tutorials.. Click 3d modeling and ok. For example, the top control panel contains commands that create and modify 3d solids; For example, the top control panel contains commands that create and modify 3d solids; These series will be focused on advanced use of promine to keep your work efficient and productive.. Each wedge contains a single navigation tool.

These series will be focused on advanced use of promine to keep your work efficient and productive.. The second control panel contains commands and … The second control panel contains commands and …

The second control panel contains commands and ….. You can start a navigation tool by clicking a wedge Each wedge contains a single navigation tool. Click 3d modeling and ok. For example, the top control panel contains commands that create and modify 3d solids; The second control panel contains commands and ….. The first true 3d computer model created on cad systems in the late 1970s was the 3d wireframe model.

The first true 3d computer model created on cad systems in the late 1970s was the 3d wireframe model. The second control panel contains commands and … Each wedge contains a single navigation tool. The second control panel contains commands and …

Contents chapter 1 welcome to the autocad civil 3d tutorials. Each wedge contains a single navigation tool. Click 3d modeling and ok. The second control panel contains commands and … The first true 3d computer model created on cad systems in the late 1970s was the 3d wireframe model. Contents chapter 1 welcome to the autocad civil 3d tutorials. For example, the top control panel contains commands that create and modify 3d solids;

These series will be focused on advanced use of promine to keep your work efficient and productive. The second control panel contains commands and … Steeringwheels, or "wheels," are divided into wedges; The second control panel contains commands and … Computer generated 3d wireframe models contain information about the locations of all the corners and edges in space coordinates. Each wedge contains a single navigation tool. You can start a navigation tool by clicking a wedge For example, the top control panel contains commands that create and modify 3d solids; For example, the top control panel contains commands that create and modify 3d solids; The first true 3d computer model created on cad systems in the late 1970s was the 3d wireframe model.