Models View all Y Support Carriage - Parts 2 49 0 3030 Aluminum Extrusion Profile - STEP IGES 16 846 2 4040 Aluminum Extrusion Profile - STEP 15 1054 0 Tonsen X Carriage Base 1 16 1 Tonsen X Carriage Base - IGES & Step formats 3 15 1 Engraver Y Carriage Dolly 4 70 2 Education BS, Information Technology / Electrical Eng