The build recreates the kart from the KartRider Rush+ game. The first step was to ... that are eventually fused together into 3D trusses using the 3D pen. The trusses are then mounted to the ...

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 ...