8020 Aluminum Extrusions

8020 for Wondering if any of you who have done the deep dive into extruded aluminum T-slot contraptions would have any general advice?

8020 Inc 97 Inches Long x 1 Inch Wide x 1 Inch High, T Slotted Aluminum Extrusion Square Inches, Clear Anodized Finish

80_20 aluminum tslot EX-factory Smooth T-slotted Aluminum Extrusion T slot 80 20 Aluminium Profiles

80_20 t slot Hi everybody, I'm trying to create a parametric model of some 8020 T-slot aluminum extrusions , 37' X 15 14' box frame made with 8020