This File contains a stirling motor.
Everything was created using Blender. The motor is rigged and animated in the .blend file.
Formats included
The Stirling motor is exported as:
STL (Stereolithography, filesize: 41.9 MB), OBJ (OBJ, filesize: 49.5 MB), BLEND (Blender, filesize: 7.91 MB), FBX (Autodesk FBX, filesize: 20 MB)