I first featured an older version of my “Halftoning” or “Pixel-Machining” routine here, then made a pretty successful stencil using this technique. Lately I’ve been doing some experimentation with varying the diameter of the circle and engraving tiles with it. See the following video for a time-lapse of me machining a tiger head with a 1 mm endmill.
Besides this tile, I’ve also experimented with some scrap MDF, and have engraved several other tiles after the “Read More.” Several have been pictures of Err from ATHF, although I did try to do a human portrait with it originally. This turned out very poorly (I don’t have a picture of it). Fortunately,