Thinner Diffuser from 16x16 LED Matrix Frame model by fractalnoise

This diffuser is 0.2mm thick (instead of 0.45 from the original model) - specifically to be printed in black color to allow more light through. 

Make sure you use 0.1 mm first layer and 0.1 layer height for the 2nd layer - to have 2 crossing layers for stronger surface. You can enable variable layer height to allow 0.2+ layers for the rest of the print. 

Tested with black PETG - looks perfect and the surface is still very strong.