I designed this case to accommodate the ND filters along with their mounts, which you can find at the following link:TBS ND Filter Mount for GoPro 9, 10, 11, 11 Mini, 12 with values Remixed by Keresztes - MakerWorld
No supports are needed for printing, and you only need a piece of filament that is 46.5mm long to assemble it. Simply place the lid on the case and pass the filament through the aligned holes. Enjoy!
You shall not share, sub-license, sell, rent, host, transfer, or distribute in any way the digital or 3D printed versions of this object, nor any other derivative work of this object in its digital or physical format (including - but not limited to - remixes of this object, and hosting on other digital platforms). The objects may not be used without permission in any way whatsoever in which you charge money, or collect fees.