Matt’s IG and some other board posts:
https://www.instagram.com/100781/
https://www.reddit.com/r/ErgoMechKeyb…
https://www.reddit.com/r/ErgoMechKeyb…
My favorite Etsy stores for board kits/parts:
https://www.etsy.com/shop/weirdlittle…
https://www.etsy.com/shop/Worldspawns…
Other great shops for anyone who wants to get started with building:
https://splitkb.com/
https://www.littlekeyboards.com/
https://keycapsss.com/