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I've only had the program for a few days and the loop cut and slide deformation glitch really ruins it for me. note that i don't always have this problem but its a reocurring problem for me. Every time I try loop cut and slide this happens. whenever i use the tool loop cut slide, blender automatically puts a huge dent in the cube.

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    $\begingroup$ hello, it's hard to see what you're trying to do, what happens, what is the problem, perhaps share your file or more screenshots $\endgroup$
    – moonboots
    Commented Nov 22, 2018 at 12:56
  • $\begingroup$ i dont know what else to share, whenever i try to add an edge loop through loop cut and slide it creates that weirdly shaped dent on its own, and i just want to add a single edge loop. $\endgroup$ Commented Nov 22, 2018 at 13:20
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    $\begingroup$ ok, i added another screenshot where i highlighted what i tried to do $\endgroup$ Commented Nov 22, 2018 at 13:26
  • $\begingroup$ although i said every time what i meant was i had this problem consequentially in a row for a couple models, i made the same base mesh with mirror modifyer again and now everything is fine. i don't know what happened, but all i know is this is probably a bug since there is no reason anyone would want this as a feature. $\endgroup$ Commented Nov 22, 2018 at 16:03
  • $\begingroup$ ps. i am very sorry for making this post for what is probably no reason, but i'd rather keep it here since this is very strange. $\endgroup$ Commented Nov 22, 2018 at 16:04

1 Answer 1


You need to disable the X-Mirror option in the Tools panel > Options.

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  • $\begingroup$ thank you for the answer moon boots! really appreciate the help! $\endgroup$ Commented Nov 22, 2018 at 17:45
  • $\begingroup$ weird thing is, this (bug) does not happen in Blender 2.8. 2.79b creates a garbage cube, 2.8 doesn't do that with the provided file. $\endgroup$
    – aliasguru
    Commented Nov 22, 2018 at 18:29

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