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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 […]

Create a polyline from the boundary of existing objects

Sometimes you need to create a closed polyline from several existing objects that don’t meet end to end.For example, let’s say that you want to draw a polyline from the inside border created by the rectangle and two circles.

The BOUNDARY command is a very easy way to do this.

Start the BOUNDARY command to […]

Create a circle with a width

There are various reasons that you might need to create a circular object with a specific width, such as matching cable widths, or showing cross sections. I’ve come up with 4 ways to go about this. The right one for you will depend on your needs.

Fit a polygon

An excellent method uses the POLYGON […]

Control hatch origin

When you place a hatch inside a closed area, by default, the pattern starts at the origin of the drawing, which is usually 0,0 of the current User Coordinate System (UCS). Since your closed area probably doesn’t start at 0,0, the hatched area starts somewhere in the middle of the pattern.

For simple hatches, such […]