Filament Joiner

Code for setting up and driving a 3D printer hotend rigged up to an Arduino to provide a temperature-controlled platform for joining 3D filaments. Filaments joined this way have a strong and non-brittle bond compared to using uncontrolled heat sources such as a candle or lighter.

• Video demo
• Building the circuit

Libraries required

• SmoothThermistor (install via Library Manager)
• Arduino-PID-Library (install via Library Manager)
• Arduino-PID-Autotune-Library (Add as ZIP library)

Schematic

Prototype

Forks

• Alex Bagaglia created a fork using Nokia LCD 5110, and also modded the PID control for his setup