does anyone use the clips you can cut with GF to keep board in place? If not, what do you recommend using the board in place when removing the cut peaces.
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Many (most) of us use the honeycomb hold down pins.
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Does anyone not use those clips?!? 
Definitely cut yourself a bunch of these:
They’re super useful, and do wear out a bit.
Sometimes using masking tape and other things can be helpful too, but my primary is thoes hold down pins.
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Is the size of the honeycomb pin in the file attached accurate?
Yes, they can be tight, they need !/8"material. I have some from just over that that are hard to use. There is also a piece in the middle that will not allow the rest flex enough unless they are poked out.
so 0.636 in by 0.755 in is the size correct
I had to get one to measure 
mine is 0.99 x 0.83 x 0.31 which is too thick and I had to sand down all the corners of the “pin” part
Looking at another the cut size is the same but the material is 0.12 thick.
Okay so i cut the pins, i locked my material (Medium cherry) locked in place so i can do the double sided print in shop. it was impossible to take my circle cut out yo put it upside down to do identical print in the back. After so much struggle the material finally moved , and i saw that GF didn’t even cut the circle. I double checked the design and made sure it said cut. and it did. So I think the material they send is not 1/8 in thickness all around because i saw able to cut the same design in other areas of the material. Now my question is if there is a way to up the power of cut to make sure GF will cut through the material?
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Yes, you can easily increase the power or slow the speed to insure that your material cuts. Proofgrade materials, however, are guaranteed to cut if they are held flat to the honeycomb tray and your optics are clean.
Here is information regarding changing the speed/power settings: Working With Manual Mode – Glowforge
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I slowed down the speed and i get a fire warning. Should I ignore and observe the cutting process?
Nope. How much did you slow it down?
Success at last. from 189 to 180. I was slowing too much when I got fire warning
Hi @tshahoomian. I’m sorry to see that you ran into some issues with double-sided printing. It sounds like you’ve been getting some great advice from fellow Community members. Can you let me know if the suggestions were able to help resolve this? Let me know if you are running into any other trouble and I’ll be happy to help. Thank you!
Yes the community was very helpful.
Thank you for that quick response! I’m happy to hear the Community was able to help. I’ll go ahead and move this thread to the Everything Else section of the Community to keep the tread going in case you need any further advice from other members. Feel free to create a new thread if you run into any technical trouble and we’ll be happy to help. Happy printing!
The good thing about using the pins for strong hold-down is that if the piece does not lift up easily, then you can follow what I did above. I use a shopvac hose to lift the cut piece which is the easiest I know. If it has not cut through it will not lift, and can be cut again, If it has almost cut through and it leaves a mark you can do what I did and flip it over and just score that part. You do need a good Calibration to be real accurate.
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I used a needle and it popped right up. But I did slow down the speed so it cuts deeper
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A piece of Gorilla tape will often pull out pieces as will dental picks and needles.
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If you are just lifting cut pieces I would use less sticky stuff than Gorilla tape as it will grab anything it touches. fine if it is a big piece you are lifting, but a lot of little pieces could be a problem. That piece of cardboard above would be destroyed trying to use Gorilla tape.
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