Homemade angle grinder sliding cutting jig. I like this builder's videos. Really clean work, and it has an almost ASMR-like aesthetic similar to those traditional Chinese manufacturing videos we like. 40:26 video:
https://www.youtube.com/watch?v=FlmCIKA6N4c
Previously:
https://www.homemadetools.net/forum/...817#post108548
https://www.homemadetools.net/forum/...490#post132004