V-Slot 20x40 Linear Rail Aluminum Extrusion Profile

V-Slot Aluminium Extrusion satin anodised, strut profile PG20 with a dimension of 20x20mm and 4 V-Slots

Iverntech 4pcs Corner Bracket for Standard 8mm Slot 4040 Series Aluminum Extrusion Profile Connector Joint Brace Fastener with 16 pcs M8 T

vkyat slot V-Groove High quality 20mm x 20mm V groove 2020 aluminum extrusion V-Groove ™ extrusion is fully compatible with V-Slot extrusion and accessories

versnellingsbak slot I want to make a model with standard 2020 aluminum extrusion, with T or V slot, like this: