What is a jig?

• It basically allows you to preview something before it is actually drawn in the model space – and moreover, it allows you to dynamically change the end result of what is drawn, according to certain inputs.

• The circle jig is a jig that is built by the boffins at AutoDesk. You too can make your own jigs. Perhaps more complex ones.

Auto Dimensioning Metal Curves from Tek1 on Vimeo.

Pre-requisites for this tutorial:

• Must have some basic understanding of AutoCAD functions (from a user’s perspective).
• Basic knowledge of programming (ie. OOP concepts – if you don’t know what OOP stands for then perhaps you’ll get the most out of this article if you spend an hour reading up on the basic concepts of: (i) classes, (ii) instantiation, (iii) inheritance.

The Basic Structure of a Jig