Model originally uploaded to Thingiverse at https://www.thingiverse.com/thing:1394500.
The usual octopi installation. The raspi is discreetly affixed to the left side of the frame, cables hanging down, power comes from behind. The camera protrudes a bit over the printer head and captures your fabulous prints.
It fits a Raspberry Pi 2 or 3. Can't say for the other models.