GT2 Belt Tension Meter 5 bearings

Assembly Guide https://github.com/Diyshift/3D-Printer/tree/main/GT2%20Belt%20Tension%20Meter use five bearings to make it super smooth. Printed in ABS/ASA with 30-40% infill, 2 or more walls, and 0.2 mm layer heigh except 0.1 mm for needle. Use 0.4mm extrusion width on a 0.4mm nozzle. BOM Five 623-2RS bearings Four Countersunk M3x8 Screws or longer One M3x10 Screw or longer (Recommended Nylon) One M3 nut (Recommended Nylon) One M3 1mm spacer (Recommended Nylon) Two M2x10 Socket Head Screws 6mm OD x 0.6mm wire dia. x 50mm free length compression spring White lithium grease