Yes, i know MagicaCSG. Love it ;-)

A few posts back in this thread, I posted a scooter I modeled with it.

SouthernGFX is a very good Source for Tutorials an Nomad 3D.
Here these "interactive widgets" are one of the many features
I really like about Nomad 3D. Here is a video about it.

https://www.youtube.com/watch?v=kwIF-e_rTXU