This is a very simple butt that I modeled in Blender. I added a cavity with a modifier inn Prusaslicer for an 8x3mm magnet. In the Gcode file, the magnet is inserted at the color change. The butt magnet is hard to remove from surfaces due to the back being flush making it hilarious to watch someone try to remove it while pinching helplessly at the slippery cheeks. I Don't know, I thought it was funny. Sand and paint for a smooth and realistic finish.
The author marked this model as their own original creation.