3D Print Your E-Drum Pads

The concept behind DIY electronic drum kits is fairly simple — small piezoelectric elements are used to generate a voltage when the drumpads are struck. That’s easy enough, but the mechanical design can be a difficult problem to approach. To solve that, [ryo.kosaka.10] decided to design an E-drum pad made with paper & 3D printed parts.

As far as E-drum triggers go, it follows the basic rules — a piezo element used as a trigger with some foam used for damping. For the striking surface, a Tama-brand mesh drum head is used. Being an off-the-shelf drum head, it has a good feel and playability. But the shell is where the creativity really shines through. While the top and bottom parts are 3D printed in the usual way, the main shell of the drum is made with several layers of thick paper laminated together with glue. This creates a surprisingly strong, sturdy shell and is also much faster and less wasteful than waiting for a similar part to 3D print.

To round out the guide, instructions are given on how to wire the piezo triggers up for either a regular E-drum sound module or an Arduino. It’s a nice touch, as those inexperienced with E-drums may not be entirely familiar with how they work – this way, anyone can give the project a try.

Keen for something bigger? Back in 2014 we saw this awesome 5-piece e-drum kit built out of buckets.

5-Gallon 5-Piece Electronic Drum Set

Who hasn’t wanted to rock out on some drums in the middle of the night? If you have anything that resembles neighbors then a midnight jam session is out of the question. That is unless a set of electronic drums is available… but alas, those are expensive. If you don’t have the spare cash burning a hole in your pocket, then be like [Mike] and build a complete 5 piece e-drum set.

[Mike] started off with 5 gallon buckets that would become the drum shells. On a real drum set, all of the drums are different sizes in order to produce different notes. Drum size doesn’t matter with an electronic drum as a drum module creates the note and sound. Even so, to make this set a little more realistic, each drum was sectioned and pulled back together to change the diameter. A homemade circle cutting jig and a wood router were used to cut top and bottom rim hoops out of 3/4″ plywood. The inner diameter of these hoops were made just a hair larger than the outer diameter of the 5 gallon bucket shells. The bottom of the top hoop was then routed to produce a groove which would allow a standard mesh drum head to fit inside.

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