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Triangulate faces with 'Beauty method' produces extra small triangles in certain cases
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Description

System Information
Operating system: Windows-10-10.0.18362-SP0 64 Bits
Graphics card: GeForce RTX 2080 Ti/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 451.48

Blender Version
Broken: version: 2.90.0 Alpha, branch: master, commit date: 2020-07-19 21:23, hash: rB78e40ad21f5b
Worked: N/A

Short description of error
On circular geometry Triangulate sometimes pick worse edge than expected

Exact steps for others to reproduce the error

  1. Open attached blend file
  2. Select middle circle as shown on image.
  3. Click Triangulate faces with quad method set to 'Beauty' by default


Event Timeline

Andrii (zelfit) renamed this task from Triangulate faces with produces extra small triangles in certain cases to Triangulate faces with 'Beauty method produces extra small triangles in certain cases.Aug 3 2020, 11:05 AM
Andrii (zelfit) created this task.
Andrii (zelfit) renamed this task from Triangulate faces with 'Beauty method produces extra small triangles in certain cases to Triangulate faces with 'Beauty method' produces extra small triangles in certain cases.Aug 3 2020, 11:07 AM
Andrii (zelfit) updated the task description. (Show Details)

Inner circle in the mesh from the file you provided is already all triangles.

Updated file. Should be fine now.