Array will be simpler than ever.

Create a slope pattern between selected edges.

Quickly trace the boundary of selected objects. From selected objects(Line, Arc, Polyline), the app will trace and find out Closed Polyline in a second.

Copy and Paste the group(s) between two drawings. Normally, when copying object(s) in group to another drawing, the group information will be removed. This tool will help you in this situation

A native Autodesk® AutoCAD® Lindenmayer System (L-System) generator/processor. Draw complex shapes/fractals through the use of iteration.