Computer shutdown, how can I recover from unsaved file

I was running a project over 5.5 hours long and when I went to check it , it was finished but light burn had quit its self. And when trying to load from previous save the sizing is off. Is there anyway to use a tool like the circle tool to refund the size if the print?

Did you try using those little X and Y boxes just to the right of the Lock symbol at the top? You will find that is a very useful feature for resizing stuff.

Yes but I can never find the right size. I’m trying to find out if there is a way to put the laser in each corner and the software generates a rectangle with those point .

I am pretty sure there is not.

If you know the current size and the desired size, you can create a multiplier from the ratio.

Lightburn automatically creates a backup file in the same folder as the original. This would be a backup of your current work. Not sure if it saves the very last changes, but it is worth investigating.

Lightburn does not normally shut itself down. It is more likely a Windows update rebooted your machine.

If your machine hangs with the laser still on, it will set the wood on fire. That will set the bench on fire. That will set the house or garage on fire. Never leave your machine running and unattended. The risk is too great.

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