20X20 - T-slot - aluminium profile | 3D CAD Model Library | GrabCAD
HFS (R) 4pcs 2020 T Slot Aluminum Extrusion Profile European Standard Anodized Linear Rail for 3D Printer Parts and CNC DIY (300mm): Amazon.com: Industrial & Scientific
Bouchon Profil Alu 20x20 - 4 rainures de 6mm by fredgui78 | Download free STL model | Printables.com
20X20 3D Printer Frame Extruded Aluminum Alloy Alu Linear Guide Rail V Slot Extrusion Profile - China Aluminum Profile, Aluminum Extrusion | Made-in-China.com