JUGS Sports Multi-Sport Cage - Manual (Page 8)

Repeat this process three times,
and assemble the resulting four
12-foot lengths into a square. The
roof frame is now complete.
STEP 2
Erecting the Wall Frame:
Insert a 9-foot bungied tube into
one of the 3-way fittings in your
square, as shown below.
Repeat this process until all four
9-foot bungied tubes are
attached, as shown below.