ASSEMBLY GUIDE V2.0
Chainaxe Build Guide
Everything you need to build your own cosplay chainaxe — from 3D printing to electronics, firmware, and painting.
Welcome! This guide covers every step of building the Chainaxe prop. There are several build options depending on your skill level, budget, and desired features.
Just want a static display piece? The STL files for a non-motorized version are available separately — get static STL files here →. Print, glue, paint, done. No electronics needed.
For the motorized version, choose one of the four options below. Each option page includes its own component list.
| Option | Features Included | Difficulty | Soldering | Firmware | Est. Cost |
|---|---|---|---|---|---|
| Alex Geek Board Kit Recommended | Motor control Sound + volume OLED display Overcurrent protection Precision voltmeter Battery tracking Phone app + telemetry Reversible motor | Easy Plug & play |
None | Pre-flashed | $130 Kit — all included |
|
MP3 Board Build
Self-sourced — links in guide
|
Motor control Sound playback Volume control | Basic Multiple connections |
Required | None | ~$40–50 Self-sourced |
|
ESP32 DIY Build
Self-sourced — links in guide
|
Motor control Sound + volume OLED display Battery tracking Reversible motor | Advanced Complex wiring |
Required | Flash required | ~$100 Self-sourced |