How to fix Ugly Lines caused by Subdivision Glitches

Have you ever gotten that weird glitch after applying smoothing and subdivision surface on your mesh where dark, irremovable lines suddenly appear and run down the length of your object?  There is an easy way to fix it!

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I am a 17 year old Freelancer, high schooler, and 3D fanatic. He has extensive experience with 3D Graphics as well as business management and website design. He seeks to learn more about the 3D field, and to teach others what he has learned. This website, on top of being a tutorial hub and a place for people to just talk, also serves as my portfolio. Almost everything I post here is my original work. For information on commissions or anything else, please contact me here: blendermentormail@gmail.com

2 thoughts on “How to fix Ugly Lines caused by Subdivision Glitches

  1. Note that in newer versions of Blender, the recalculate button is under the shading/UVs tab, and isn’t immediately obvious. You can still use the same shortcut I mentioned in the video to fix the mesh, though.
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  2. Wow thank you so much! You literally saved my model.

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