Not a Problem
like in the case：
you need a sphere path...
you can operate in bool operation！
The same problem 
like in the case：
you need a sphere path...
you can operate in bool operation！
Please be more specific with your request and/or add a test file explaining what you need.
Boolean operation like the picture~
sorry
not implemented
https://help.geogebra.org/topic/csg
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