Heads up: many models on this page are AI-generated or uploaded untested. They may be misconfigured for the intended application — check the dimensions and tolerances, and verify or edit the model before printing or relying on it.*
Pi Zero Snake Head
The open-top head from the 'SG90 Wheeled Serpentine Snake Robot' kit. It measures 90 x 36 x 33 mm and holds a Raspberry Pi Zero or Zero 2 W on four 6 mm standoffs spaced 58 x 23 mm, fastened with M2.5x12 screws and nuts. The 4 mm rear wall has four 3.4 mm holes and bolts to the first segment housing with M3x12 SHCS. The front face has four M3 heat-set bores (4.0 x 8 mm) on the same 16 x 20 mm pattern for sensor plates. A split port window in the left wall gives access to the Pi's USB and mini-HDMI connectors.
Pi 4 Rover Deck With Legs
A 120 x 90 x 3 mm raised electronics deck with four integral 10 mm legs, part of the 'N20 4WD Skid-Steer Rover Base' kit. The legs stand it 40 mm above the chassis plate, and each foot takes an M3 heat-set insert (4.0 x 6 mm bore) for M3x8 screws from under the chassis. The deck has 2.9 mm M2.5 holes on the Raspberry Pi 4 58 x 49 mm pattern with 6 mm x 3 mm spacer bosses, a 4 x 7 grid of 3.4 mm M3 holes on a 10 mm pitch for a motor driver or ESP32, and two 30 x 10 mm cable windows.