Free software for creating a basic geological cross-section?

I'm looking to create a very basic geological cross-section, based on bedding and cleavage dip data, as well as distance and elevation along a traverse. This is not to be linked to any geological map.

Is there any simple (preferably free) software to create this? Where I could input elevation and distance from starting point to create the topography, and input dip data to create the cross-section.

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