I have some Let’s Split v2 PCBs (designed by /u/wootpatoot) for sale. It’s one of the most popular DIY split, ortholinear mechanical keyboards.

[Updated on Nov 2, 2019] Buy at 

https://shop.beekeeb.com/product/lets-split-v2-pcbs/

If you’re from the United States, there’re cheaper alternatives at Mehkee or switchTop. Lets Split

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