This is an extruder visualizer designed for the Original Prusa to replicate the iPad settings/downloading icon. It would likely fit others as well. It is for use with 8mm rare earth magnets.
Prusa blog discussing extruder rotation indicators...
https://blog.prusaprinters.org/visualize-extruder-motor-movements/
A360 downloadable file
https://a360.co/2Zb5EUd
Update, Dec 30, 2019: All new files have been uploaded with tweaks to make the gear and trim part flush at the front and add magnet attachment for assembly. From now on I will put updates on the PrusaPrint page...
https://www.prusaprinters.org/prints/15836-extruder-visualizer/files
| back.stl | 181.5KB | |
| BackGear.stl | 94.0KB | |
| BackPlate.gcode | 713.2KB | |
| back_gear.gcode | 249.6KB | |
| face_plate.gcode | 1.3MB | |
| FrontGear.stl | 187.3KB | |
| front_gear.gcode | 914.3KB | |
| trim.stl | 84.7KB |
