There are many free-to-use programs available for designing and seeing other’s designs in 3D:
- Tinkercad is a free-of-charge, online 3D modeling program that runs in a web browser.
- Thingiverse is an online community where you can share your own 3D designs, and browse others in their community.
- OpenSCAD is a free software that focuses on the computer assisted design aspects of 3D modelling. Ideal for creating 3D models of machine parts.
