About this 3D model

an otovent to practice equalization compensation for freediving . you can use it with a balloon or the screw . my others designs https://makerworld.com/fr/u/2044748376 Commercial License Join my commercial license to sell my models. Your contribution will help me a lot to design you more cute home decoration. ❤️ patreon https://www.patreon.com/c/MIMIHOMEDECORATION