LEGION Model Builder Help

Drawing CAD objects

Once you have imported CAD into LEGION Model Builder, you can add CAD objects by using the in-built CAD tools and commands. You can add CAD lines, rectangles, polygons, circles, ellipses and arcs to your models.

Tip: Press the Esc key at any time to cancel drawing and placing an object.

You can also add CAD objects by typing commands into LEGION Model Builder. Once you have entered a command, follow the instructions on the Output Bar. Most instructions can be carried out by typing coordinates into the Command bar or clicking into the workspace with the mouse. All relevant commands are listed below.

Icon Name Command
Create CAD Line line
Create CAD Rectangle rect
Create CAD Polygon pline
Create CAD Circle circle
Create CAD Arc arc
Create CAD Ellipse ellipse

To draw a CAD object:

  1. Click on the icon belonging to the CAD object you would like to draw (or type the appropriate command).
  2. Do one of the following:

    If you are drawing a rectangular object:

    • Drag your cursor to define the size and shape of the object. When you are happy with its proportions, click to complete and place the object.

    or

    If you are drawing a polygonal object:

    • Move your cursor to the first vertex of the polygon you are drawing and click your mouse. Now move the cursor to the next vertex of the polygon and click to place that point.
    • Continue for as many points as the polygon contains and to complete the shape, right-click your mouse and select Finish (Leave Open) to place the object without closing the gap between the first and last vertices or Close to close the gap, creating a self-contained shape.

    or

    If you are drawing a circle:

    • Click in the workspace to place the centre point.
    • Drag the cursor in any direction to define the circle’s radius and click to place the circle.

    or

    If you are drawing an arc:

    • Click in the workspace at the start point of the arc.
    • Click in the workspace to place the second point of the arc.
    • Drag the cursor to define the size and position of the arc and click to place it.

    or

    If you are drawing an ellipse:

    • Click in the workspace to place the first axis of the ellipse.
    • Click in the workspace to place the second axis of the ellipse.
    • Drag the cursor to define the size and position of the ellipse and click to place it.