by SEG Warehousesales@whyseg.comConnection PicturesEvery size, same four connections.Companion to the per-size build sheets. Numbered callouts 1-4 match every sheet.1 Assembly views1 CornerHW-RT200-C3W ×12 Straight spliceHW-RT200-S180 ×13 Bottom support connectionsupports each RT150 mid post4 Mid post adapterRT150 support post: 43″ / 55″ / 67″ by frame height · HW-RT150-TA ×2