Extruder (NEMA) motor rotation indicators

After learning about the rotation indicators for the extruder motor, I loved the idea, but I didn't really like any of the designs I was seeing.

I wanted a gear/cog but couldn't find any I liked. So I made my own, I just wanted one but ended up doing a bunch of designs :D.

This work as all the others, they have a rised part where you have to glue a 8x3mm neodymium magnet with some superglue. Let it dry, attach it to the extruder motor and that's all.

I just printed the one design I wan