How to Build an Open-Source 3D-Printed Trackball (That Lasts Forever) | Ploopy Classic DIY Guide

Hi everyone, I wanted to build a Ploopy Classic Trackball and found there wasn't yet a full build guide video anywhere on the internet. Figured I might as well make one. Enjoy!

I followed the assembly instructions (linked below) on ploopyco's github. They're very detailed and entertaining, and I hope my video can act as a companion to them while you complete your build! I tried to include as many of said details as was reasonable while keeping the video (relatively) short.

Also, I've determined via a Reddit thread that my sensor being presoldered was uncommon and not to expect it in a typical kit. It was just a lucky situation.

Let me know if you have any questions or criticisms in the comments.
Apologies for the camera focus issues - I was more focused on building than filming at times.
Maybe I'll build more things in the future!

Thanks for watching :)

Links:
Ploopy Classic Trackball kit (I build Revision D): https://ploopy.co/shop/classic-trackb...
Full Assembly Instructions: https://github.com/ploopyco/classic-t...

Hardware:
Sound test recorded with: Sennheiser MKH8060
Keyboard: Bastard Keyboards Scylla
Keycaps: /DEV/TTY MT3 Bleached
Switches: Boba U4 62g
Normal Mouse: Logitech G400s

Chapters:
00:00 - Introduction
00:09 - Parts included in kit
02:46 - Step 1: Get the necessary tools
03:10 - Steps 2-5 (not necessary as sensor was presoldered on my kit)
03:24 - Steps 6-9: Prepare and attach PCB anchor to the base PCB
03:34 - Step 10: Attach the vertical PCB to the PCB anchor
03:43 - Step 11: Insert the PCBs into the electronics assembly jig
04:19 - Step 12: Solder the pads of the base PCB and vertical PCB
04:36 - Step 13: Remove the completed electronics assembly from the assembly jig
05:00 - Step 14: Remove support material from 3D-printed parts (already done in my case)
05:08 - Step 15/16: Prepare and insert the scroll wheel holder into scroll wheel holder holder
05:22 - Step 17: Insert scroll wheel holder holder into electronics assembly
05:42 - Step 18: Assembling the base
05:46 - Step 19: Place electronics assembly onto base
05:57 - Step 20: Screw secondary buttons into base
06:38 - Step 21: Fit the hole in the Top for the Scroll Wheel
06:55 - Step 22/23/24: Prepare Scroll Wheel, Insert dowels into scroll wheel, and Thread silicone ring onto scroll wheel (last part not shown, but it's very straightforward)
07:14 - Step 25: Insert scroll wheel into base
07:37 - Step 26: Screw primary buttons into base
07:50 - Step 27: Prepare the Bearing Press Jig, and Insert the roller bearing and a Roller Bearing Dowel into the halves of the Bearing Press Jig
08:03 - Step 29: Press the halves of the Bearing Press Jig together
08:15 - Step 30: Remove the bearing from the Bearing Press Jig and repeat two more times
08:25 - Step 31: Insert roller bearings into top
09:06 - Step 32: Put the top onto the base
09:51 - Step 33: Insert the screws into the base and apply the friction pads
10:09 - Step 34: Insert the ball
10:30 - Step 35: Verify that the Ploopy Trackball is working correctly
11:15 - Conclusion
11:44 - Step 36: Spin the ball to break in the bearings + Sound Test