While the '_MPlane command has a Command line option called “Show” to switch the visibility of the axis icon of an existing MPlane, I can’t find a similar option for my existing CPlanes, hence the axis icon remains visible even if I revert to another CPlane. Is there a way to fix that?
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I just figured out that the axis icon disappears after clicking on the blank area at the very bottom of the “Named CPlanes” list. This should be documented in the Help files. 
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This solution worked for all of the CPlanes except for the first one which I cannot make disappear. I am using version 8.
Hi Timothy- if a cplane is highlighted in the panel, its axes will show in the viewport.
-Pascal
Thanks for that. What was happening was that one axis remained on the model no matter what I did on the panel. The way I made it disappear was to close down the drawing and reopen it and it was gone,
Was the solution added to the Help files for Rhino 8, or it’s still non-existent there?
Also, I believe that there must be a new command to hide the CPlane’s axis from the viewport.
Hi Bobi -
Since this comes up once in a while, I’ve put that on the list → DOC-435 RH Help: Deselect Named CPlanes
-wim
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I can’t open the link, but it’s great that at least you put attention on that particular issue.
It’s open now.
-wim
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Not sure if it is what is being discussed here, but the display of the world axes icon can be set globally in Options > Document Properties > Grid > Show world axes icon
Hi David
That’s not it, no.
-wim
I suggest adding a checkbox to the Named CPlanes panel that toggles the CPlane icon on and off.
RH-89562 NamedCPlane: Add option to show/hide CPlane icon
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Note that even if that icon is disabled from the viewport, it still must be temporarily shown while running commands like _-NamedCplane _Select.
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I believe the scriptable command won’t be affected, but I’ll add a note for testing.
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