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As part of my daily work, I recently printed a 3D model created in Blender using reference images and Beziar curves. Since I'm self-taught and new to this process, I encountered an issue with internal geometry showing despite setting the infill to 100%. I'm wondering if anyone can explain why this is happening or provide guidance on how to fix it. Additionally, I would like to know if it's possible for the model to only focus on the outer mesh and ignore any internal components.