Step 3: Cutting Parts

Picture of Cutting Parts
I bought a sheet of 3/4 inch plywood that perfectly fit 9 of my 8 inch circles. Draw them all out and then cut them all out at once with a jigsaw. The rough edges can just be quickly hand-sanded smooth.

We got 16 foam, 8 inch diameter circles out of the 2 foam mats. Because each pad needs 2 circles (once for under the peizo+sheet-metal layer, and one for above) this is enough for 8 drum pads. As with the wood, we just drew them all out with sharpie, then cut them out with scissors.

*For the first pad, we used 2 mouse-pads instead of the foam, but quickly realized that this would be far too expensive at 4 dollars per mouse-pad.]

For the sheet metal circles, we just rolled out the aluminum flashing, traced our circles, and used the metal snips to cut them out. If you cut them out as squares first, then trim them to circles, it makes the process a lot safer and easier. (The edges are sharp. Be Careful.)

There will be lots of left-over metal from the circles. What i did was salvage this by cutting out squares about 2x2 inches. these will be the mounts for the jacks, so they will also need a 1/4 inch hole drilled through the middle.

The vinyl can be cut into circles with a diameter of 8 inches or just under, depending on how you want your edges to look. mine are right at 8 inches, the same as almost all other parts of this design.
These circles can just be traced out, then cut with scissors.

The fabric circles will be the one element of this project that will be cut larger than 8 inches. These need to be able to wrap around the layers of wood, foam and metal, and be stapled on the underside of the plywood. A diameter of around 14 inches should give you enough to work with. This can also be traced out and carefully cut with scissors.

Dyte3 years ago
So when you're using mouse-pads, you have to stack two on top of each other, do I understand that right?
gnargnar6 years ago
what is the foam? you say floor mat but i don't know what you mean by that. thanks
benjaminmailloux (author)  gnargnar6 years ago
Well, one of the pads i did differently, and that was with mouse-pad material. ideally, this was the best. but the foam i used was what i found that was closest to it. pretty firm, so that you don't even notice the time it takes to bounce back flat when you hit it. It was just some sort or floor mat from target. Also, i completely forgot to take pictures of the rack and the complete set-up, but i"ll try to take some and post them this week.