3D Printing Preparation: Get Your Model Print-Ready
Get your model ready before you 3D print it. Explore practical guides on file preparation, design checks, and mechanical features, plus quick checks you can run in the free JLCDMP 3D Viewer before you order a print.
Latest Posts
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