Understand Surface Direction in Rhino 3D – Essential Jewelry CAD Skills

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In this tutorial, I’ll explain one of the most overlooked but critical concepts in Rhino 3D: surface direction. If you’ve ever struggled with booleans, fillets, or offsets not working right—this is likely the issue.

This lesson is ideal for beginner to intermediate CAD users who want to get more confident and professional in their Rhino modeling workflow.

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