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Official Recipe

Hello ✧˚ · .

A few months ago, I went down a rabbit hole of looking up various gachapon machines. I have seen some artists at cons and other events display these machines at their tables to engage with their customers and play around with their display. As of now, having finished my own gacha machine, I still don’t know what I want to put in it yet though haha

Why did I choose to make my own gachapon machine where I could just buy one elsewhere?
It was cheaper…I think. But no, I wanted to see if I could make a gacha machine that I could travel with to various cons. Almost every part travels flat, so I can probably fit it all in my suitcase (I have yet to try this)

Why THIS Gacha machine?
I thought it was really cute. Instead of coins, this machine takes bottlecaps.

Overview

I wanted to write this post for anyone interested in making it themselves. The organization that designed this gacha machine, Toaster, is based in Japan. Some of their documentation may be difficult to understand if you can’t read Japanese, and more importantly, a lot of the required materials for this project are not accessible here in the States.

After a little back and forth with one of the designers, I developed a slightly modified version of this project. All of the parts and materials can be found in the USA. I believe at some point, the developers might add my version to their files for people to access. But for now, I will provide a link to all of my files in this post. Note: This is a breakdown of their S model.

Disclaimer: This was incredibly cheap for me because I thankfully have access to both a 3d printer and a laser cutting machine, so my only costs were the materials. If you don’t already have access to one or both of these, I recommend looking at maker spaces at your local library and community college/university. There are sometimes maker spaces available in your area that require a paid membership as well.

image originally made by toaster, dimensions modified by me

Specifications

  • Height: 19.5 inches/495.3mm
  • Length: 10 inches/254mm
  • Depth: 11 inches/279.4mm
  • Gachapon Ball Size: 65mm standard size max

Materials

Material availability is the primary reason why I needed a modified version of this gachapon machine. In the original design, the specified MDF board is 5.5mm. While it’s not impossible to find here, it is more trouble than it is worth. My alternative design uses 6mm (or 1/4 inch) MDF board. As a result, everything is slightly scaled up from the original design.

The scale factor is %109.09090909…in case you wanted to know

Files

Structure

The MDF and Acrylic boards are self-explanatory, but the clear file is for the two side windows of the machine. Just trace the edge of the circular windows with a dry-erase marker and cut around with about a half-inch margin. Takes 5 minutes and is cheaper than cutting acrylic! I secured the cut sheets to my machine using double-sided tape.

Gear Mechanism

this one exploded lol

This one I’m not very knowledgeable in. I printed with some random black PET filament lying around at 230 degrees and prayed. Right now I’m trying out yellow PBT+, which should still work. It definitely took longer than 26 hours for all of the parts though.

Hardware

See Parts Spreadsheet

Programs

  • Adobe Illustrator
  • Whatever program you need for the 3d printer, I use prusa slicer

Other Materials

Build Guide

Watch toaster’s build guide for their L model.

AND/OR

Open the .step file provided in Toaster’s gumroad link in an online 3D viewer like 3dviewer.net.
Take apart the pieces at a time to get an idea of where each part belongs.

Tips

  • Cut out extras of the tiny parts if you can. You will absolutely lose them
  • If you’re cutting the parts yourself, you will absolutely screw up at some point. The 4th sheet of MDF board is for you to test on and cut that last gear part

Final Thoughts

Despite the psychic damage this project did to me, I had a lot of fun making it! I had never 3d printed something myself before actually. Going forward, I think I will try to implement this project into both at cons and my online shop.

Thank you Toaster for designing this really fun project! If you haven’t already, please visit their website and check out their other recycling DIY projects and consider donating.