BLÅHAJ patch
thingiverse
BLÅHAJ patch which is designed for a colour change every 1mm (which you'll need to set the colour change in your slicer). Setting a colour change at 0.8mm also gives a nice contrasting border for the patch.
Download Model from thingiverse
With this file you will be able to print BLÅHAJ patch with your 3D printer. Click on the button and save the file on your computer to work, edit or customize your design. You can also find more 3D designs for printers on BLÅHAJ patch.