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innovate, v.:
To annoy people.
(Score: 0) by Anonymous Coward on Tuesday November 17 2020, @02:29AM
Earlier I hadn't looked at the video you linked, which I just did. Thanks! It looks like the router sled has caught up with my old toolmaker, who built his supports directly onto the work. That's what I did for the tree stump, which wasn't going to be moved! As you say, the router box & sled are the core of a CNC 2D router setup. Since I moved the router (with a smaller bit) freehand on my long bridge, I didn't get nice straight cuts, in fact I "mowed in spirals" on the high spots first. Hardly matters since there is going to be a secondary smoothing process.
In your link, and also another one, both of those guys relied on another flat surface, rather than checking that their guide surfaces were in one plane: first guy relied on his floor being flat (not always a great assumption) and the second one relied on having a flat work table (but it didn't look very stiff). Since they were making decorative tables (and not a work bench), that was probably flat enough.