Version: 2.77a abf6f08
Have a bug for any faces of any mesh, i unknown where or when appear the hole. This hole appear or not appear if change the amount of cut.
Description
Description
Revisions and Commits
Revisions and Commits
| rB Blender | |||
| rBa170607578b8 Fix T48683: Knife cut creates hole | |||
Related Objects
Related Objects
- Mentioned In
- T48716: Knife cut creates polygons with inverted normals
- Mentioned Here
- rB6fbe6eb03369: Fix T48703: Name inconsistency w/ area maximize/fullscreen
rBf337feaf5a1d: BLender 2.76: We go 'b' series now
rB2e553f77b85d: Cleanup: Remove todo comment, this is fine as is.
Event Timeline
System Information
Intel Core i7, 8 Gb RAM, AMD Radeon HD 7700
Windows 7 x64
Blender Version
Broken: 2.77 2e553f7 and 2.77a abf6f08
Worked: 2.76b f337fea
Short description of error
- It happens on Plane and UV Sphere primitives.
- I wasn't able to reproduce it on Torus.
- It happens randomly on Cube (I was able to reproduce this on Cube's vertical sides).
- Happens on some polygons of Suzanne.
- Seems to happen on quads.
- I have tried to export Plane and UV Sphere primitives into .OBJ, re-import them and make a cut and there were no holes.
- Exporting and re-importing from .FBX and cutting does produce a hole.
- 2.76b doesn't seem to have this problem.
Exact steps for others to reproduce the error
Start Blender, create a simple Plane or UV Sphere primitive, enter Edit Mode, select Knife tool, make a cut just like on provided picture and hit Enter to finish the cut.
- In 2.76b you will have a diamond cut as expected.
- In 2.77 you will have a diamond cut as well, but with a hole in one of the corners.
This case is very confusing to me because I don't see a clear pattern here, but I hope that my tests will help you with further investigation.
I don't know if I'm just unlucky, but it looks like there is still a problem with knife tool in build 6fbe6eb0:
Create a default UV Sphere and try to cut some polygons in a way like on provided picture. As a result you will have one of the corners with inverted normal. There was a hole there, it is gone now, but now there is an inverted polygon on its place. Don't know if that will help with anything, but I thought I should bring this to your attention anyway. You can use my test file: open the file and try to cut selected polygon or any of its neighbors.
