Instructions:

There are 4 objects to this model, 2 objects for the diamonds, 1 object for the lines, and 1 object for the back. If you take the .stl files and slice on your own, make sure you check the box for "detect thin walls" or else the white lines wont print.

If you like this download, check out my other models in my pattern swatch collection: https://makerworld.com/en/u/4256451819/collections/130890