3D Printed Miniature Roller Coaster – Coaster-track.com – Ep40
3D Printed Miniature Roller Coaster – Coaster-track.com – Ep40 Lee Williams and Steve Guilmetter are the founders of coaster-track.com. Their invention is a miniature roller coaster that consists of mostly common hardware parts but also some 3D printed parts. The coaster is a fully functional mini replica. Both Lee and Steve are mechanical engineers that have a…