06-14-2022, 07:02 AM
Image > Canvas size, with:
* In the X or Y entry field (depending on which direction you want to extend), add "* 1.5" (Gimp does the math for you)
* Hit the "Center" button to center the image in the current canvas
* At the bottom in the Layers section; Resize layers: All and Fill with: White
* In the X or Y entry field (depending on which direction you want to extend), add "* 1.5" (Gimp does the math for you)
* Hit the "Center" button to center the image in the current canvas
* At the bottom in the Layers section; Resize layers: All and Fill with: White