A 3D printer unlike any other, fits inside a spool box - Positron V3 intro & Design Story / github

see also

• Introducing JourneyMaker. Positron Re-Design - For people curious about Kralyn’s whereabouts : he was still a college student during the birth of Positron, and got hired by a BIG 3D printing company since then that reportedly heavily limits how much he’s allowed to be involved in DIY 3D printing.