The Glowforge isn’t cutting the way I expect it too.
So I’ve finally had a little bit more time to experiment with the Glowforge. I was creating a spam slicing device and noticed that my parts didn’t press fit. To calculate the kerf, I cut out a square and took the difference between the cutout and the hole and then divided by two. The Kerf came out to just under 0.1mm for the thick pg acrylic sheet.
I thought I would do test cut to see if I calculated the Kerf correctly, and now I’m more confused than before.
Here are the results.
I created a 25mm x 30mm shape in illustrator and sent it svg to the Glowforge.
I don’t think the Glowforge is being straight with me.
Here are my results and they don’t make sense to me.
Cut piece measurements
Top edge - 24.75mm
Bottom edge - 24.76mm
Left edge - 29.83mm
Right edge - 29.91mm
Top edge - 25.02
Bottom edge - 25.02
Left edge - 30.14
Right edge - 30.21
I would expect the top and bottom numbers to be similar and it should be true for the left and right edge, with maybe 0.02mm variation.
Another thing that didn’t make sense is that the Top and Bottom edge of the hole is very close to 25mm but I was expecting it to be much larger because of the kerf (maybe by 0.1mm).
Am I going about this all wrong or does anyone also suspect that my Glowforge is not being straight with me?