Keep in mind that the photo editor cannot create detail that isn‘t there, so it will fill in the gaps as best it can. If you’re resizing a 300x300px image with a 72ppi to a 1000x1000px image with a 300ppi, you'll likely end up with a poor quality image. Let’...
Warning: use reltaively low resolution images, if the image is big resize it, otherwise the resulting STL file will be huge without any good reason. Most printers can't go over a given (small) resolution anyway. Do a first try with a very small image, like 300x300 pixels, then move ...
Keep in mind that the photo editor cannot create detail that isn‘t there, so it will fill in the gaps as best it can. If you’re resizing a 300x300px image with a 72ppi to a 1000x1000px image with a 300ppi, you'll likely end up with a poor quality image. Let...