toggleonable

The ability to toggle on if needed.

Specifically in 3D software, the ability to make an object seen for a specific timeframe. Making a mesh invisible again is implied.

See also Toggleoffable.
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That ship ramp we saw earlier that got turned off so I could no longer see it, is it toggleonable?

Yes, Lets make it visible again since the object is toggleonable. We can toggle it on and off whenever needed.