Parametric Macropod / Numpad Case Generator

A fully customizable macropod and numpad case generator built in OpenSCAD. Use the MakerWorld Customizer to design any type of macropad.

Layouts Choose from numpad, 3x3, 4x4, 5x3, 2x4, or define your own irregular grid with per-key sizing (1u–2.25u). Supports Cherry MX and Kailh Choc switches.

Microcontroller Support Built-in cradle for Pi Pico, RP2040-Zero, Pro Micro (USB-C), nRF52840, and ESP32-S3. Bottom-mount or side-mount with snap-fit arms, pin grooves, and guide tabs — no glue needed. USB cutout auto-aligns to the connector and can be placed on any wall.

Case Features

• Adjustable wall thickness, corner radius, and typing angle
• High or low profile options
• Integrated plate with switch cutouts and stabilizer support
• Screw post mounting (M2–M4) with heat-set insert or self-tap options
• Bottom plate with lip fit, counterbore option, and rubber foot recesses
• Battery pocket for wireless builds
• USB funnel recess for easy cable insertion

Customizer Sliders for Everything Case height, plate thickness, inner padding, key spacing, switch type, screw size, MCU position, USB dimensions, and more — over 50 parameters to tweak without touching code.

This is my first time making something like this so any feedback is appreciated, also there might be some bugs