evansd2
September 21, 2022, 4:39pm
5
The second problem with bowls is the depth of the bowl itself. The glowforge can only focus 0.5" deep so your bowls can only be up to half an inch deep. More of a plate at that point.
Unless you get tricky…
So I had this idea for a while and finally got to it: an extension spacer for the lens so that you could engrave/score (or cut) the inside of a tray up to about 1” deep.
Normally you are limited to trays no more than 0.5” deep because of the limited focal sweet spot of the Glowforge, but if you physically move the lens down and lie to the Glowforge about the height of your material, it will happily do the job.
Here’s a quick makeshift “tray” that’s about 0.75" deep, a really shallow cardboard …
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