Лучший курс по пайтон

https://www.edx.org/course/introduction-computer-science-mitx-6-00-1x-9
с этого ресурса прекрасно начать
https://www.edx.org/course/introduction-computer-science-mitx-6-00-1x-9

3D CAD reinvented

http://www.autodesk.com/products/fusion-360/overview
Fusion 360TM is the first 3D CAD, CAM, and CAE tool of its kind. It connects your entire product development process in a single cloud-based platform that works on both Mac and PC.