![I'm trying to make the model for 3d printing but Blender marked these faces out as zero faces. How do I fix these faces? : r/3Dprinting I'm trying to make the model for 3d printing but Blender marked these faces out as zero faces. How do I fix these faces? : r/3Dprinting](https://preview.redd.it/6phmwjvx10s61.png?auto=webp&s=0b7b18008e3f6fb259e3c681b00305246d16d97c)
I'm trying to make the model for 3d printing but Blender marked these faces out as zero faces. How do I fix these faces? : r/3Dprinting
![Some of my Blender model's faces are invisible even if I recalculate normals in blender - Building Support - Developer Forum | Roblox Some of my Blender model's faces are invisible even if I recalculate normals in blender - Building Support - Developer Forum | Roblox](https://devforum-uploads.s3.dualstack.us-east-2.amazonaws.com/uploads/original/4X/6/e/7/6e77a4e39cfc78dfad1aca82cac320495d4f4da2.png)
Some of my Blender model's faces are invisible even if I recalculate normals in blender - Building Support - Developer Forum | Roblox
![Use Face Orientation To Locate Incorrect Normals And How To Fix Them - Blender 2.8 Tutorial - YouTube Use Face Orientation To Locate Incorrect Normals And How To Fix Them - Blender 2.8 Tutorial - YouTube](https://i.ytimg.com/vi/clzstqtN6YQ/maxresdefault.jpg)