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Knife tool weird behavior while using angle constrain
Closed, ResolvedPublic


System Information
Win 7 ult. x64 Sp1 + Nvidia GeForce 8800 GTS 512

Blender Version
Broken: 2.71
Worked: ?

Short description of error
The Knife tool (K) do not 'truly' follow angle constrain (C) after switching back and forth from perspective to orthogonal view (Numpad 5 x 2).

Screenshot available at

Exact steps for others to reproduce the error
Open a new scene
Enter Edit mode with the default cube selected
Switch View Persp/Ortho at least once to orthographic view (Numpad 5)
Switch back to Perspective view (Numpad 5)
Use Knife tool (K) with angle constrain activated (C)

Event Timeline

Campbell Barton (campbellbarton) triaged this task as Confirmed, Medium priority.

All knife edge snapping in perspective mode was in fact giving an invalid offset (fixed).