This required some "organic" curved shapes. I've found that SolidWorks Apps for Kids is a great way to make those kinds of shapes:
But since you can't import anything into SWAFK, I exported the STL, and loaded it into TinkerCad to add a head I found on Thingiverse:
Export to STL again, sliced in Cura to gcode, then printed on my Monoprice MP Select Mini V2:
