In my default startup .blend file, whenever I rotate the view, the cube flickers and duplicates like there are two of them. Watch this video to see what I'm talking about.

  • $\begingroup$ What kind of computer do you have? Your computer could be too slow to effectively run Blender. $\endgroup$
    – Shady Puck
    Sep 24, 2016 at 19:16
  • 1
    $\begingroup$ Could be the mouse. Try swapping out your mouse $\endgroup$
    – 10 Replies
    Sep 24, 2016 at 21:45

1 Answer 1


I've been told that some Mac users have been having this problem... maybe because of graphics card... Try downloading the latest version of Blender and also disabling the Continuous Grab option @ User Preferences > Input tab.


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