| It is made of 1/4" steel plate & angle
iron. As you can see, it fits the 2x4 nicely. Countersink the holes and the
platform lid sits flat.
| The holes in the angle plates are to screw
into the bottom of the platform's frame. A hole is drilled into the side to
allow another platform to be bolted to this one.
| Here it is in action. This particular frame
is part of a tree base being built for Into the woods . The lid is being left off so a technician can be inside the tree to move it on
& off stage.See the page "TreesT, Drilling holes in the sides of the metal holds these 2x6 pieces square.