Yes, to what has been said above…I expanded your stroke to turn it into an engrave, if you want it to appear that thick.
Here’s the trick with designing for the Glowforge - for vectors, anything you want to be Engraved should have a Fill but no Stroke color. Anything you want to Cut or Score should have a Stroke (Outline) color but no Fill color.
So with that in mind…tell me if the photo above is the way you want it to look when it’s done. By expanding the stroke, it does not completely fill in the letters, but leaves a nice little highlight in there that you might not mind.
sdh5.zip (2.9 KB)
(And there’s a little overview tutorial here that might explain a lot about how the Glowforge interprets designs: