If you haven’t heard of it, OpenSCAD is a really wonderful tool for 3D modeling. While it doesn’t have the traditional graphical interface of AutoCAD – it’s basically a programming language for 3D ...

If you have a 3D printer, it is a good bet you’ve at least seen or heard of Tinkercad. There’s pros and cons to doing your design in a Web browser, but Tinkercad is very easy to use and great for ...