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bb47994 · · Oct 29, 2025

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Banana Split

Full Keeb:

Full Keeb Rotated:

About

With a design similar to that of the UM-70, this split keeb is hotswappable, wireless, and ZMK supported. Both halves fit together like puzzle pieces and are powered by 3.7v rechargeable lithium ion batteries. The current case is made of a simple sandwich mount with openings for USB-C connection. I made this primarily because I wanted to make something unique and different from common split custom keyboard designs - I also learned a ton about matrixes and the functionality behind wireless split keebs in the process.

Things I Missed

In the current design, there are no neopixels, rotary encoders, OLED screens, etc. because I was lazy but future iterations may include these features! There are also no current features for wrist support - so this might be added later as well. Stabiliziers aren't in the cad right now, but do fit into case & pcb.pcb.

Please note that a few footprints at the edge of the right hand keeb are upside down so that edge cut restrictions would not change dimensions. Therefore, all keycaps should be PBT OEM so as to not obstruct typing - although this is not shown in the design

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