What Aluminum T-Slot Bar Should I Use?

8020® 20 Series 1-916 x 1-916 Eight T-Slotted Extrusion Profile 8020 t slot Buy 8020 Single,T-Slot,6 ft 1010-72 at 8020 t slot 7006014 :: Extrusions and Accessories, T-Slot Cover, For 8020 Extrusion, Plastic, Gray Color

el paso gunfight slot Like the title said, I'm wondering if there are any functions or plugin for designing a 8020 rig Maybe importing parts and interacting