Anyone who’s spent some quality time with a desktop 3D printer is familiar with the ... a Prusa i3 MK3S with a solenoid actuated marker holder that hangs off the side of the extruder assembly.

The average cost of a desktop 3D printer has dropped like a stone ... It sounds like [Devin] is working on a generic version of the marker holder that can work on other printers, so it should ...