pneumatic extruder clamp, carriage adapter, and solenoid bracket

Pneumatic extrusion printing is actually very simple on almost any open source 3D printer. All you have to do is make this pneumatic extruder and set up post-processing scripts to turn on an output - this output opens a valve and applies pressurized air to dispense material.

Pressure
The hardest part may be a consistent source of high pressure air. If you have an air compressor/tank or house air at a lab/shop this will work best. I'm also working on an adaptation of a 2L soda bottle, these