Aperture Science Extruder rotation visualizer
thingiverse
Another take on an Extruder Visualizer. A concept inspired by a comment from Shadow84 on Thingiverse - specifically, a post about Thing:2759852 (link doesn't work when clicked, thanks Thingiverse). It's an Aperture Science rendition. A version with a small mount on the back for attaching a magnet is one option. Since I had only a tiny cube magnet, I printed it without the mount and directly glued the magnet to the middle instead. I used Prusa Control to introduce a filament change in the middle, switching from black to silver filament.
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