Beitong KP40D Back Paddles
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Replacement paddles for the Beitong KP40D. Requires two M3 screws!
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Updated at source:
Model information
- Source
- Printables
- Category
- Video Games
- License
- Creative Commons — Attribution
I designed these paddles to print in two parts simply because:
The paddle itself needs to be heated and bent to the desired shape, it is easier to do this without deforming the cylinder if they are separate.
The magnets need something to attach to, and an M3 screw fits quite nicely!
You can customize the angle/ergonomics of the paddles even more than the original paddles.
You can design your own paddles that screw on by simply adding a 3.2 mm (ish) hole with a chamfer/recess
Print with 0.3 mm wall thickness and paint seams so that they do not interfere with the small slots on the cylinder!
I have also uploaded the freeCAD file so that you can alter the design as needed.
Things to keep in mind:
They will have a very snug fit initially, but this will loosen over time and with use!
IF they are too tight, you can heat the cylinder SLIGHTLY and push it in gently to reshape it!
WARNING! IF the M3 screws are too long they will push the magnets in, further into the plastic of the controller! I accidentally did this, but so far they work just fine and the fit is still good, this might however affect how the original paddles attach, so BE CAREFUL!
You use these at your own risk! I am not responsible for any damage caused to your controller!
Update 2026-08-04:
There is now a skeletonized version!
Update 2026-08-14:
There is now a bent version for you lazy people! (The black one in the images)
I printed this in ABS without supports, standing on its side. So if you have good bed adhesion and a semi-tuned printer you should be able to print it in PLA/PETG without supports.
Link to youtube for a short explanation: