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I've heard that Blender's boolean algorithm might do the trick, but was wondering if a CAD software had this functionality. Would want an end result similar to a stratigraphic cross-section.

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Try FreeCAD

FreeCAD is a parametric 3D modeler. Parametric modeling allows you to easily modify your design by going back into your model history and changing its parameters. FreeCAD is open source (LGPL license) and completely modular, allowing for very advanced extension and customization.

enter image description here

For more information, and to download FreeCAD, visit their website.

Source:FreeCAD

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  • Thanks, Mitch! This is definitely something I'll try. Have you used FreeCAD before? And do you know how it compares to an application like LibreCAD or Blender, in terms of performance and capability to handle detail (without crashing)? Aug 29, 2013 at 18:47
  • I honestly haven't used it, but this site has a comparison between these products.
    – Mitch
    Aug 29, 2013 at 18:50
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alongside softwares in the site that Mitch suggests(http://opensourceecology.org/wiki/CAD_tools), I suggest MEDUSA4. it is not opensource but have free personal version.

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Take a look at OpenVSP (Open Vehicle Sketch Pad). You can slice up your solid and get cross sections. Image is of a Cessna 182 with 21 slices, along with some control panels.enter image description here

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    Can you add a screenshot or example?
    – Braiam
    Aug 29, 2013 at 17:01

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