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The knife tool seems to be generating duplicate vertices, creating additional unwanted geometry. Is this a bug or related to camera or tool settings?

Any idea?

enter image description here

edit: Clarifying the vert: enter image description here

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    $\begingroup$ What extra geometry are you referring to? I don't see it in your illustration, just the geometry I would expect to see from using the knife tool. $\endgroup$ – brasshat Aug 6 '17 at 21:54
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    $\begingroup$ One duplicated vertex and you call it a bug? When you use a knife tool how often does it happen? Frequently or in this case only? $\endgroup$ – Paul Gonet Aug 6 '17 at 23:29
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    $\begingroup$ @PaulGonet Not calling it a bug. Just asking if it is or something related to a setting someone might know. It happens randomly around half the time. I haven't been able to reproduce it consistently based on any setting or scenario, $\endgroup$ – FredLierman Aug 6 '17 at 23:34
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    $\begingroup$ That is just an expected limitation of detecting intersections with mesh objects, some times it just fails to read depth or face intersections and an occasional extra vertex is created. $\endgroup$ – Duarte Farrajota Ramos Aug 7 '17 at 0:03
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    $\begingroup$ I can reproduce that same effect by extruding an edge, cancelling, and then using the knife tool. Is it possible that the mesh has duplicate geometry? Remove doubles maybe? In other words, if the problem is repeatable enough for you to produce a gif, I would consider the mesh as being the culprit. $\endgroup$ – bertmoog Aug 7 '17 at 1:28
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try using line tool instead, it is pretty similar to knife tool, works pretty well and has some additional functionality, like create faces and objects
https://github.com/Mano-Wii/Addon-Snap-Utilities-Line/wiki

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  • $\begingroup$ Link only answers are discouraged here. When posting an answer where you link to an addon or external resource please try to provide a short description of the page you are linking to, why it is relevant and what it does. $\endgroup$ – Duarte Farrajota Ramos Dec 16 '17 at 23:57

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