Thanks for sharing! 
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Wow you think they would have a way to accurately engrave things by now.
Disappointing…
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Welcome back. I have found that the little widget in the lower left is accurate to 3 decimal points when used. However, rotation is a point they had with Snapmarks and gave up for some reason.
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Pretty certain they stated the whole reason they introduced snapmarks was to develop the multi-step pass-thru capability - which works great. Then they quit with them. I’m glad I got them on my replacement machine. I just wish they’d fix the pass-thru first-pass “skip” (laser does not fire), although I haven’t checked it in a while.
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I had them and now they are gone 
I rarely need them but when I do, I really do.
I didn’t use them here but it would have saved a few hours of setup.
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I’ve never had any issue setting up an engrave on a single item using Set Focus.
People who want to do multiples/repetitive engraves like having something that takes seconds. As this was never sold as a commercial machine there’s no compunction for 
to develop commercial software.
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The ability to print an image on paper (or a sheet of stickers, etc) along with some Snapmarks, then have it cut precisely in the Glowforge would have been super useful for the Aura and Spark if those machines had ever gotten the feature.
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But they highlight how you’ll be able to start your own business and make lots and lots of money. That seems like a commercial market. It’s not industrial scale but the “performance” models are definitely marketed with commercial use as a target use case.
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I used snap marks all the time, and it was mostly because I had to, in order to get the results I was expecting from a device designed to provide sub mm precision.
Removing that functionality is really just bad decision making, especially when it was the only way to achieve some types of accurate output.
I have since moved to other lasers that give me a much better ability to get repeatability via physical means, vs using a hobbled dual camera system that has no proprioception, when that would be the main benefit of having a system like that.
Again, very disappointed
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Set focus is fine for x-y location. However to get a 16" piece a few millimeters wider than the piece you are cutting, then getting within one degree of straight will be a fail. It is easy to toss two 16-inch lines on top of each other and rotate one of them one degree and even have snap bring them back, but not so easy on the crumb tray.
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Hurray! it showed back up!!
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Thank you so much for this. I’ve been trying to engrave some cheap 4x4 tiles and of course I’m getting various NEGATIVE results. I didn’t realize what I was seeing on the screen and what is actually in the bed was so distorted … duh!! I took great care to line everything up on the screen. Lol Some of these tools will be a game changer. Since I’m only doing one at a time, to learn how to do them. The simpler the better. Have a wonderful day. 
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