Hello! I'm Chris and I looked at Phrogram as an easy way to introduce coding for educational purposes. I'm a physicist and mathematician and earn a crust providing mathematical and physical modelling services. Over the last 5 years I've started doing more outreach type activities to promote maths (all aspects - for physical to ...

Delgine's software is one we recommend, yet: http://www.delgine.com  Here's a site with lots of info on 3D modeling and tools: http://www.3dlinks.com/index.cfm That site includes a category for freeware 3D objects, and a page with links to various 3D tools, also freeware or shareware.  If anyone finds particularly useful ...