I used these settings on some canvas tote bags. Looks great but it made the canvas too thin for use as a bag. It just tears apart. (Albeit, I am using some cheap canvas totes that are pretty thin to begin with). These are the settings I used for the canvas bags and they came out great.
Settings I used for canvas:
Unknown material with a depth of .125
Finally had a chance to try this one myself. Got a smaller canvas piece to experiment with, and used a 40 instead of 50 power setting; 1000 speed. I wanted to create a black and white piece based on a photo, something that could either stand on its own, or work as a template for painting later.
This is wonderful! I just set up my glowforge yesterday, and I’m trying to cut out circles from canvas. I can’t seem to get past the unknown materials screen! Any suggestions for settings based on cutting all the way through? I will try your settings, and adapt, but wondered if you have any advice. Thanks! -julie
Assuming you’re referring to the honeycomb bed when you say “grate”, your focus is set wrong.
The top of the bed is about 1.4" from the bottom of the machine. That is “0” in terms of focus. Any thickness or focus measurement is based on how far it is above that reference. So a 1/4" is telling the machine the top of the material is 1/4" above the bed. You can go up to 1/2" (just be careful that the fan outlet below the head doesn’t hit your material).
If you take the bed out then you need to bring your material up off the bottom using something to support it. If you really have a half inch and it won’t fit under the fan housing then you’d need to put something under the material that gets its top surface within a half inch of the lens - I’d use something like 5 pieces of 1/4" plywood or MDF.
Then I’d put the canvas on top. Now your new “bed” is only 1.25" from the bottom (vs the standard 1.4") so it’s still below the lowest focus. But your canvas is now 1.75" from the bottom. Subtract the 1.4" and your material top surface is .35" from the 0 point of the machine. Enter .35" as your thickness or focus height and you’ll be good.
Gosh, this is WONDERFUL! I am a bit of an artist myself and I did my first etching of one of my paintings on wood for a trial. It turned out very nice! Now, I would like to transfer some pictures of my paintings onto canvas. I was worried about what settings to use, I do not want a fire or problem with it going too deep. Thank you for sharing your beautiful work AND the settings that seem to work very well for yours. Thank you again.