Pre-Print Checks: Catch Model Problems Before Printing
Find out what to check in your 3D model before printing. These guides help you spot file and design problems early, so your part prints right the first time and you avoid wasted material and reprints.
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Pre-Print Checks
Non-Manifold Edges in 3D Printing and Why Prints Fail
Key Takeaways Non-manifold edges are mesh edges shared by one face or by three or more faces; in a closed printable solid, every edge should join exactly two. Broken or branching layer outlines can leave a slicer unable to determine where solid material belongs. Boolean seams, overlapping bodies, deleted faces and poorly joined exports are common places to find trouble. A viewer reveals visible symptoms; mesh analysis checks connectivity, and the sliced preview checks the proposed print. Spot Mesh Err......
Nov 14, 2026
Pre-Print Checks
What Is B-rep (Boundary Representation) in CAD?
Key Takeaways B-rep (boundary representation) is the method CAD systems use to describe a 3D object by its boundaries: the faces, edges, and vertices that enclose it. It pairs topology, how those elements connect with exact mathematical surfaces, which is why B-rep models support precise measurement and manufacturing. B-rep combines two layers. Topology records face-edge-vertex connectivity; geometry stores the mathematical equations (planes, cylinders, NURBS) those elements sit on. Mesh formats carry......
Nov 14, 2026