Are there any easy way to design with t-slot extrusion?

80_20 t slot   Dan 80_20 t slot

I'm wondering if these are compatible with the kregincrarockler t-slot channels and the flip stops and other accessories that are available

8020 Inc Framing; Frame Type: T-Slotted; Duty Grade: Heavy-Duty; Material: Aluminum Alloy; Slot Location: Quad; Overall Length : 120; Overall We used 8020 T-slot aluminum to frame the cabinets for our Mercedes-Benz Sprinter van T-slot makes it easy even for a novice

extra slot voordeur 8020 is great for handling static loads It is amazingly versatile and modular, as well as being semi-cheap for what it is  Many advantages you gain by using t-slotted framing are lost if you decide to weld the sections If you want to have Aluminum welded