If you want to do a quick design for 3D printing, Tinkercad is pretty easy to use. Although it was briefly in danger of going out of business, it was bought by AutoDesk who have made a lot of ...

Tinkercad is like the hamburger helper of 3D design. You hate to admit you use ... While I use a number of CAD programs for serious work, sometimes, when I just want a little widget like a flange ...

or CAD (including free programs such as Autodesk 123D Design, SketchUp, and Tinkercad), you can design your own objects. If not, you'll find plenty of 3D model designs online, many of which are ...