E-drum With Small 3D Printer and Thick Paper




About: Student, Maker, Designer

This is prototype of 8 inch pad for e-drum.

It is made from multiple parts. I did not want to make drums with conspicuous bolts to connect the parts. Therefore, as much as possible, the joint part was made inconspicuous and designed to look like one part. Why? That's because it is cool.

I do not know why, but I started making drums. The reason is not necessary so much to make things. I just wanted to make it.

I studied insanely and managed to make the first prototype. I made it using a laser cutter rather than a 3D printer. I wanted to share it quickly, but nobody has a laser cutter, do you? So I redesigned it so that I could create even a small 3D printer I had.

Information on the net was very helpful in making this. I am really grateful to the great DIY enthusiasts. I think that this drum should be helpful for someone.

If there are some mistakes in English, I'd like to apologize.

This project is under development. I will release the detailed production process on this blog.


Minimal drum set is complete.


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Step 1: What You'll Need

- 2 or 1x Piezo

- 15x M3*10mm bolts and nuts

- 6x M6*50mm bolts and nuts

- 1mm thick paper

- bond

- 8 inch mesh head

- sponge

if you have sound module,

- 6.3 mm plug

if you don't have sound module,

-Arduino UNO

Step 2: Print With 3D Printer

All parts are here : http://www.thingiverse.com/thing:2030095

You need 120mm*120mm print area.

We need to print 6 pieces of rim.
There are two parts on the bottom, 3 in each.

Finally, print 1 part to fix the bottom part.

Step 3: Assemble

You will be assembled when you see parts and pictures.

Step 4: Making Shell

I did not make shells with 3D printers because I wanted to make shells with one part. The shell that the bolt is exposed is not beautiful. Also, cutting paper is much faster than making it with a 3D printer.

This procedure may be a bit difficult.

However, it is only to cut and paste the thick paper.

First, the height of the shell is 55 mm.
Please make three bands with a width of 55 mm. The length is slightly longer than the length covering the pad. Since there is a gap at the bottom, try inserting one band into that gap. Cut the band so that it will be perfect circle length. Repeat this 3 times and overlay using adhesive.

Fix with the clothes pins and wait for drying

When dried it becomes a surprisingly solid shell.

Step 5: Piezo and Plug

Connect a piezo as shown in the picture. The resistance is 1 MΩ.

NOTICE If you plan to connect to the sound module, you do not need resistance.Resistance seems to be built in most sound modules. Roland's was like that.

The middle black cable is GND.

Connect the piezo to a 6.3 mm jack.

The root of Jack is GND, the tip is piezo of the head, the middle is piezo of the rim. If you only have one piezo, you do not have to use the middle.

You need two piezo for the head and the rim, but if only the head is enough you can only have one piezo.

Since a 6.3 mm jack is for connecting to a sound module, those who do not have a sound module should be ready to connect to the bread board.

Step 6: Trigger Cone

First, attach the piezo to the bottom part like a top photo.

In the center, place the piezo of the head and place the piezo of the rim near the shell.

I made a cone by stacking 10 mm sponge. (natural rubber)

If Roland's cone is easily available in your country, you'd better buy it. Unfortunately I could not get it in Japan.

It is good if the cone protrudes about 3 mm when seeing the shell from the side.The height was adjusted by overlapping double sided tape. Anything from paper or board could be good.

The structure of the trigger is easy to understand when seeing this movie.

Step 7: Tuning

Once you put the piezo on, you only need to assemble it.

If you adjust the head so that it will be your favorite hardness, the pad is ready.

Step 8: Play With Roland's Sound Module

If you have a sound module, just plug it in.

You do not have such a thing?

Do not worry.We have Arduino.

Step 9: Play With Arduino

Design Now: 3D Design Contest 2016

Runner Up in the
Design Now: 3D Design Contest 2016

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    20 Discussions


    Question 7 days ago

    Hi, i'm currently printing my drum, but i was wondering which drum mesh head to use. Is it a normal head for any kind of tom, or is it special in anyway to get better results.


    2 years ago

    In wich 3D CAD program did you set up the model? Is it possible to get the 3D models?

    1 reply
    Ryo KosakaLucV26

    Reply 2 years ago

    I used Fusion 360 for modeling. I have uploaded that data to Github.



    2 years ago

    How do you get the drum sound to play when using an arduino? Also what ports do you plug the anologs into?


    why thick paper ?

    why not mentioning the tama tranparent membrane ? where can you find one ?


    2 years ago

    Where did you source the piezos from? Salvage from anywhere? Great project.

    1 reply
    Ryo Kosakaseigel

    Reply 2 years ago

    There are shops selling like this.



    2 years ago

    Please! Write your simple snare drum code here...how you convert serial signal to midi in logic pro? P.S. Tutorials below shows MIDI socket, but you use USB cable! Thnx!

    1 reply
    Ryo KosakaFilamentS

    Reply 2 years ago


    Actually I'm not very good at coding,so I just used his code.

    To be recognized without a MIDI socket, you need a little procedure.It means to rewrite the .hex file.

    First of all, please check here.




    I think that you can understand by looking at this site. Unfortunately, only the Japanese site could be found on the site that will provide more detailed instructions. If you search "moco LUFA arduino" you will find more information.

    I am not very fluent in English, so I am happy that someone looking at this comment will make a new instructables ...

    If there is something you do not understand, ask me anything!

    Ryo KosakaEravago

    Reply 2 years ago

    You need one analog pin for each piezo. If you use arduino UNO you can make up to six pads.


    2 years ago

    Can I print with 10 inch size instead of 8 inch? Thanks for the help

    2 replies
    Ryo KosakaLuisM348

    Reply 2 years ago

    Thank you for your comment.

    With this 3D data you can not make a 10 inch pad.

    But now I'm making data for 10 inch pads, so I will share the data as soon as it is completed.

    LuisM348Ryo Kosaka

    Reply 2 years ago

    Thanks a lot! Will try to reproduce this and share it

    Ryo Kosakatomatoskins

    Reply 2 years ago

    Thank you very much! Of course I will make it. I will share it when it is completed.


    2 years ago

    Great! But, every single source - including Evan' s suggestion - mention a one megaohm resistor. Why did You use 4M one?

    1 reply
    Ryo Kosakadraagh

    Reply 2 years ago

    Thank you for your comment. Oh! I did not notice. As shown in the photo, the resistance is 1 MΩ.