Illustrate is vastly underused in schools yet is available for free download and is great for technical illustrations. I have created this tutorial to show how to take a model assembly from Creo Parametric and get an exploded diagram using thick and thin lines from it. It is great for those pupils who prefer to use the computer than draw themselves.
This tutorial needs a model of a WWII trolley accumulator to work best. Anyone wanting this model please email me and I will send it to you.
Hope it is of use.