The file 'Extruder Rotation Vizualizer 3D Printer Model' is (stl) file type, size is 116.5KB.
I really liked Peter Roodenburgs extruder rotation indicator, so I created some more :)
These are really fast to print.
You can read more about these in this Prusaprinters.org article:
https://www.prusaprinters.org/visualize-extruder-motor-movements/
Circle.stl | 166.5KB | |
Cloverleaf.stl | 62.2KB | |
Prusa_visualizer.stl | 113.0KB | |
Triangles.stl | 19.4KB |