A large card to hold individual paint chips for swatching your paints.  I've included the parameterized Fusion file if you want to tweak your settings.  count_x and count_y to change the number of rows and columns, and card_width and card_height to change the size of the card/chip.

I recommend a 0.4mm nozzle, textured plate, and 0.2mm layer height.  I've just used basic PLA.

Check my account for the chips, which are also 3d printed, but I suggest a 0