Smile while extrude (Extruder indicator)

This happy little Smiley is having a lot of fun during your prints.

The eyes can rotate independently if the Smiley gets dizzy.

Model

Designed with OpenSCAD. 

Print

Face down / No support needed / Change the filament color after some layers

After Print

Rotate and break free the eyes carefully.

Glue on a cylindric magnet on the back axis: ~ ⌀ 6-8mm x 1-3mm

Mount it on your printer extruder.

Have fun.