Clipping border (Alt B) makes a dark box around the selected area:


Setting the background color to the same color as the box doesn't work if you have Only render enabled.

How to make the box transparent instead?

Related BA thread.

  • $\begingroup$ @cegaton I don't think that's what the OP is asking at all.. (Though it's a bit unclear) $\endgroup$
    – gandalf3
    Jul 1, 2014 at 19:34
  • $\begingroup$ @David I think the OP is asking how to theme the clipping display box. Imo theme makes more sense here than rendering.. $\endgroup$
    – gandalf3
    Jul 1, 2014 at 19:36
  • $\begingroup$ While there are a lot of colours you can change in a theme, not every colour is exposed in the theme settings. Some drawing is done by colours set within the code or as tints based on a set variation of a defined colour. I expect you will need to get a developer to create a patch to adjust this colour. As for only render - the world colour settings are shown in the background. $\endgroup$
    – sambler
    Jul 2, 2014 at 17:28

1 Answer 1


There is a setting for 'Clipping Border' now in newer version of Blender. themes / preferences / 3dview / clipping border color option box. The default color is a dark grey, and the setting for transparency is called 'A' for Alpha Value. The default Alpha is 1 which is Opaque, if you move the slider to '0' the View Clipping Background is Transparent!

  • $\begingroup$ And what should be put in? $\endgroup$ Jan 4, 2020 at 13:57

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