Materials needed for this are as follows:
-dremel with diamond cutting disc
-saw to cut small wood stock
-Carriage bolts or hex bolts
-drill with drill bits
Step 1: Planning your cuts
Depending on the thickness of the material you are going to be using, helps determine your cut depth and size.
You can use what ever size wood or stock for the lower cut on the tube. This cut must be matching on the other side of the tube as it will be holding stock.