BOM for the LINEAR RAIL Version of the EnderXY Conversion - Ender 3 V1/V2 - Printed parts from the step file - Extrusions (don't have to be vroller compatible. The only two vroller extrusions are for the bed and are reused.) 2x 40x20 430mm (back) 2x 20x20 400mm (top side) 3x 20x20 370mm (top front/back, carriage) - Belt 8x GT2 Idler 5m GT2 Belt - other Motion 3x MGN12H 350mm (don't buy the cheapest. You will safe money. Trust me.) 2x 350mm T8 Leadscrew 2x vslot slider for 20x20 (Roller Block: easily diy'able. It is just a expensive plate with holes. You will have enough wheels and spacers.) - Hardware M3, M4, M5 screws Hammernuts for 20x20 Extrusion if you want to sturdy up your top frame: 6x T-Slot corner bracket if you want to use the Hotend assembly from the stepfile: (not finished, need some work after printing) 2x computer motherboard standoffs to mount the fanshroud - A lot of patience and finesse.