With this pocket drum, you can unleash your inner Buddy Rich while keeping your fingers busy. Its sound is surprisingly loud.

Print
The ThumbDrum-skin-drum.STL file contains two separate parts: the drum skin and the drum body. If you want to print both in a single color, just print them normally and the two parts will merge together. However, you can also use multi-color printing technology. Load the file into the slicing software and separate the two parts. First, print the drum skin in one color, then without removing it, print the drum body in another color. Use a layer height of 0.2mm to make the thickness of the drum skin exactly 2 layers. Also, print two drum sticks and two

Assembly
First, slide the small fulcrum parts onto the thumb rod of the drumstick, as shown in the last photo. This will push the end of the drumstick closer to the drum head and prevent the rod from bouncing back after each drum stroke. Next, clamp each drumstick into the clamps on either side of the drum.

Play
Hold the thumb drum with the curved groove between the index finger and the middle finger. Use your thumbnail to quickly release the end of the drumstick. Try to attack the rod with your thumbnail at different angles to better control the intensity of the rhythm.

Now, please enjoy the drum solo of the most rhythmically challenged engineer in the world: