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

Are there any easy way to design with t-slot extrusion? 80_20 t slot 8020 PRODUCTST-SLOT ALUMINUM EXTRUSION10101 X 14 OPEN T-SLOTSCLEAR FINISHWEIGHT: LBSINCHLENGTH: 24READ BEFORE BIDDING, MAKING AN 80_20 t slot 8020 profiles? It was really really easy to get the rails lined up, because all the bolts fit into the T slot they are automatically lined up pretty close

80_20 t slot Anyone know of any plastic or composite versions of the 8020 or Bosch t-slot type of extrusions ? Thanks !

80_20 aluminum tslot China 2080 8020 8020 T Slot Extruded Aluminum Extrusion Profile ; V Slot, T Slot size 6mm,8mm,10mm ; Color Standard: black, silver and grey Can be customized People use it as a synonym for modular aluminum extrusions or T-slot aluminum framing But really, 8020 aluminum is a brand and not the only option available