User1417933 84522 gold badges1111 silver badges1414 bronze badges one There appear to be python bindings to ImageMagick: imagemagick.org/download/python. I have never made use of them, but I have made use of ImageMagick, and it'll do what you need. user1342784 For anybody hunting for a responsible and speedy PNG to STL https://imagetoheif17278.designertoblog.com/70044258/the-smart-trick-of-image-to-heif-that-nobody-is-discussing