Mini 3D printer using reusable libraries

Marlin is an optimized firmware for RepRap 3D printers based on the Arduino platform. | Many commercial 3D printers come with Marlin installed. Check with your vendor if you need source code for your specific machine.

OctoPrint is the snappy web interface for your 3D printer!

Klipper is a 3d-printer firmware

An open-source, motorized, and modular microscope built using LEGO bricks, Arduino, Raspberry Pi and 3D printing.

Python CNC machine controller for Raspberry Pi and other ARM Linux boards

OctoPrint 3D Printer Monitor using Wemos D1 Mini ESP8266

Firmware for the Original Prusa MINI 3D printer by Prusa Research.

AstroBox allows you to control your 3D Printer wirelessly

This is the Hardware design, 3d printables, Firmware, and software design to build a cheap Closed Loop control system with any RAMPS or socketed Pololu driver.