The file size attachment limits are 500KB (png / jpeg ...) or 2 MB for a gimp .xcf
Chopping it up might be possible using a set of guides. Attaching an old script that creates guides by number or spacing. I think your image is 150 px squares
Then a couple of Ofnuts python plugins from http://sourceforge.net/projects/gimp-too...s/scripts/
ofn-guillotine-layer (dated 2017-04-30) to chop up into layers and ofn-export-layers (dated 2023-10-24) which does what it says.
The attached file test.xcf.gz as an example has the grid of guides. I had to move the top layer a little to line it up. Then applied guillotine Open it in Gimp and have a look.
Remember to unzip the scrip which goes in your User scripts folder. It registers in Image -> Guides -> Grid
The python plugins go in the plug-ins folder. Unzip and read the help files.
Chopping it up might be possible using a set of guides. Attaching an old script that creates guides by number or spacing. I think your image is 150 px squares
Then a couple of Ofnuts python plugins from http://sourceforge.net/projects/gimp-too...s/scripts/
ofn-guillotine-layer (dated 2017-04-30) to chop up into layers and ofn-export-layers (dated 2023-10-24) which does what it says.
The attached file test.xcf.gz as an example has the grid of guides. I had to move the top layer a little to line it up. Then applied guillotine Open it in Gimp and have a look.
Remember to unzip the scrip which goes in your User scripts folder. It registers in Image -> Guides -> Grid
The python plugins go in the plug-ins folder. Unzip and read the help files.