BPT-Pro

Adobe Illustrator becomes a highly functional 2D-CAD program with 8 kinds and 19 different tools, all accessible through Illustrator tool box and a convenient information palette. You can easily draw dimensions of objects with free curved lines, and measure everything from a segment of an object, to the object itself, and even a group of objects. "Object numbering too", "commenting tool" and automatic updating function are newly added. BPT-Pro is an Illustrator plug-in loved by professional designers and artists over 30 countries in the world.

Requirements:

Illustrator 10 through CC2015

Limitations:

30-use trial