AutoCAD 2015 and AutoCAD LT 2015 BibleAutoCAD 2015 and AutoCAD LT 2015 Bible

The most comprehensive AutoCAD book around!

Combine or subtract 2D shapes to create custom shapes

Sometimes you need to create a 2D profile that is a combination of the basic geometrical shapes that AutoCAD creates. While you might be able to use the PLINE command to create what you want, in some cases, 2 other methods may be easier.

Subtract shapes with the SUBTRACT command

For example, let’s say that […]

AutoCAD Tutorial: Create regions for mix-it-up, 2D/3D flexibility

A region is an interesting type of AutoCAD object. You can think of it as a 2D surface. Regions are always closed and they look like polylines, but AutoCAD can do some interesting things with regions, such as:

Calculate centroid, moments of inertia, and products of inertia Extrude them to create 3D solids Combine (UNION […]