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Coupon with Rickroll qr-code
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For the QR code to work reliably, the lines need to be printed clearly.If your phone doesn't recognize the code: Simply scale the model up by 10-20% in your slicer.Using a lower layer height (e.g., 0.16mm or 0.12mm) will also help to make the QR code details sharper and easier to scan.Boost Me
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