Koss KSC75 replacement grills

These are 3 different variations I made on replacements for the Koss KSC75 headphone grills. These are famously good for their price, and this is meant as a substitute for the famous "Kramer mod". Instead of drilling holes in your stock grills - print these and go back to stock at will! Note: These are all designed to be sat "upside down" and the tabs allow them to rest on top of the outer case instead of the driver itself (like stock) - but if you remove the tabs it will rest similar to stoc