Bitmap cleanup

[marmak3261]

Must have gotten some from the same site as

Engraving come out with little dots engraved

Have been engraving images off internet just trying to figure the gf out. Some images that I upload from my photos come out with little dots lasered in all over the place, don’t understand why that happens.

Pretty common issue that folks encounter and have to learn to deal with. Hasn’t popped up in a while as a question, but then twice rather soon.

Hard to figure out what to search for because “bitmap dots” goes to the raster pattern algorithm. However searching “bitmap cleanup” yields this one.

Splatter when engraving acrylic

I just received my Glowforge two weeks ago and i have been experimenting with different materials. E I engraved a small acrylic piece (4" x 2") with 12 to 18 pt lettering and there is some splatter outside the area the should be engraved. It is not residue from the masking, but looks like small dots the have been engraved or burned into the surface. I am using PG medium clear acrylic. Full speed and 60% power. When i slowed it down the splatter was worse. Anyone else run into this or have…

Always hard to figure out when you are learning about these things what search terms to use.

It bit me way back in one of my first designs and I learned what was up. I actually didn’t make a big deal of it in the post.