All of the following links are for items on Amazon. With a few exceptions, all qualify for Prime free shipping.
RAMPS + Arduino + Stepper Drivers
RAMPS LED Display
Power Supply Cooling:
60mm 24v Fan for P/S
Laser Cooling Upgrades:
Heat Exchanger Fan
Air Assist Upgrades:
Air Pump – hold off on this: waiting for pump to arrive to see if it can produce sufficient air flow.
Manifold – hold off on this: waiting for pump to arrive to see if I can reroute three of the four outlets internally.
Air Assist Hose
Drag Chain for Air Assist Hose
LED Power Supply I chose the 2A model, only slightly more expensive, and the terminals have more substance.