10 inch version of this pad (https://www.thingiverse.com/thing:2030095)(http://www.instructables.com/id/E-drum-With-Small-3D-Printer-and-Thick-Paper/)

How to Make : https://www.instructables.com/id/Arduino-Minimal-Drum-Kit/
Code : https://github.com/RyoKosaka/drums/blob/master/arduino/HELLODRUM/HELLODRUM.ino

A 3D printable shell is available.（https://www.thingiverse.com/thing:2644566）

This project is under development. I will release the detailed production process on this blog.
https://open-e-drums.tumblr.com/

test movie with roland TD-10
https://www.youtube.com/watch?v=8JTfHaHsme8

with Arduino
https://www.youtube.com/watch?v=FbeY-g0g8pY