Between Perfect and Real: A Novel

Linear Motion Rods 2PCS 6mmx 300mm (0.236x11.811 inches) Case Hardened Chrome Plated Linear Motion Rod Shaft Guide for 3D Printer, DIY, CNC - Metric h8 Tolerance

10mm x 600mm (0.394 x 23.62 inch) Linear Motion Rods Shaft (Pack of 2)- Case-Hardened Chrome Linear Rails Guide for 3D Printers, CNC, Robotics & DIY - Metric h8 Tolerance

4 PCS 8 x 400mm (0.315 x 15.75 inches) Vigorous Linear Motion Rod, Case Hardened Chrome Shaft Linear Rail Rod Shaft for 3D Printer, DIY, CNC - Metric h8 Tolerance

uxcell 4 Pcs Linear Motion Rod Shaft Guide 6mm x 100mm (0.236" x 3.94") Hardened Chrome Plated Steel Linear Rail Rod for 3D Printer, CNC Machine

2Pcs 10mm x 200mm (0.394 x 7.87 inches) Vigorous Linear Motion Rods, Case Hardened Chrome Shaft Linear Rail Guide Shaft for 3D Printer, DIY, CNC - Metric h8 Tolerance

1PCS 2040V European Standard V-Slot Aluminum Profile, Black Anodized Industrial-Grade Extrusion, 20x40mm for 3D Printers, CNC, DIY Projects & Industrial Framing (500)

uxcell 4PCS SK12 Aluminum Linear Motion Rail Clamping Rod Rail Guide Support for 12mm Diameter Shaft

ANWOKIT SBR20 Linear Rail Spliced Linear Guide Rail 3000mm 4PCS SBR20 1500mm Fully Supported Linear Rail Shaft Rod+8PCS SBR20UU Block Bearing+4PCS Dowels for CNC Machine and 3D Printer