Ender 3 BLV Bracket mod dual y axis

thingiverse

This is a bracket/sled/carriage to support the BLV aluminum bed. This upgrade will require: -BLV Kit (AMZ:BLV Ender 3 Pro 3D Printer Upgrade kit Dual Driver Extruder Screws Heat Bed Plate Also Compatible with Ender 3 Pro V2, Not Including MGN12 Linear Rail) -6 m3 nuts, 8mm m3 botls/screws (AMZ:DYWISHKEY 360 Pieces M3 x 6mm /8mm/10mm /12mm/16mm/20mm Stainless Steel 304 Hex Socket Head Cap Bolts Screws and Nuts Kit) -m3 washers (AMZ:Sutemribor M3x6mmx0.5mm Stainless Steel Flat Washer, 100Pcs) -dual linear rails (AMZ: MGN12H Mini Linear Rail Guide,300mm Linear Sliding Gide with MGN12H Carriage Block for DIY 3D Printer and CNC Machine), -A new timing belt, Bore, (AMZ:Zeelo 5M GT2 Timing Belt 6mm Width + 4pcs 20 Teeth 5mm Bore Timing Pulley Wheel + 4pcs Idler + 8pcs Tensioner Spring Torsion + 4pcs Gear Clamp Mount Block with Allen Wrench for 3D Printer), -copper buckles or timing belt clamps (AMZ:ANCIRS 25 Pack Metal Open-End Timing Belt Clamps, GT2 Open Belt Clips for 3D Printer Projects-Silver) -slim stepper for the y (AMZ:Usongshine Nema 17 Stepper Motor Titan Stepper Motor for Titan Extruder /3D Printer Extruder 42x42x23mm DIY CNC for J-Head Bowden with 1m Cable and Connector) Edit 6/6/2021: Widened center to 46mm. Piece may need sanding. Edit 6/9/2021: removed 46mm - added 46.5, 47, and 47.5mm 47mm is the best bet, 47.5 is what I use but could be tighter. Don't over tighten or you will restrict motion.