The American company MYNT3D offers a diverse range of products, including 3D pens, materials, accessories, and spare parts. Among their offerings is the Junior 2, a specially designed pen for children ...

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 ...