A bit of work in CAD, a printer montage ... panels that are eventually fused together into 3D trusses using the 3D pen. The trusses are then mounted to the RC car chassis underneath with some ...

However, [BManx2000] found that the way the filament simply sticks out of the back of a 3D printing pen like a bizarre tailfeather was troublesome. The solution? A Mini Spool System for 3D ...