BTU mod for the Ploopy Nano is coming along! It's definitely a lot less pretty than the original version with its nice curves. Maybe that's something I can improve on, but I was really struggling with complex surfacing.

The Ploopy Nano BTU mod is about as curved as I can manage to make it right now. I think this will do for a first version!

Printed the Ploopy Nano BTU mod I designed. Now I just need to wait for the BTUs to go in it. I don't actually have the PCB or a 38mm ball that fits it, but I need to do as much mechanical checking as I can.


The Ploopy Nano BTU mod seems to fit alright! This ball is a little too large for it, but it gets the idea across.

If you have a Ploopy Nano and would like to try the mod, there's more info available at

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@gbrnt this looks absolutely awesome, but it doesn't have buttons! Does it?

@ekaitz_zarraga Nope, it's a minimal trackball designed by Ploopy for using with mouse buttons on your keyboard

@ekaitz_zarraga Nah, it's not my trackball design to sell. I just modded the existing design to use the new bearings

@gbrnt I would totally buy it if it comes with the electronics pre-programmed.
I'm getting lazy these days.

@gbrnt (the shipping to here is like the 50% of the price + customs... ugh T__T)

@ekaitz_zarraga The ball is just from ebay, and there's no board in there :(

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