In my lab experience, 10 neighbors is a good number. From this, normals are calculated for the mesh. The 10 represents the number of points used to estimate the tangent plane at each point set. As stated, this function is good for meshing without exploiting the triangle connectivity and is useful for datasets without faces. You can convert one file for free, but then you will have to pay 1 per file. It supports CAD files, graphical formats, neutral formats. Click on Filters -> Normals, Curvatures and Orientation -> Compute Normals for Point Sets. Everything is free, and it allows you to translate SLDPRT, STEP, SKP, XT, JT, OBJ, STL, 3DS, IPT, 3D PDF, CATIA and more. ![]() If you zoom up, you will see it consists of a lot of points like the image below. Now you should see the point cloud similar to the image below. ![]() The input could be from a laser scanner, and the output is meant for a 3D printer. "MeshLab is an opensource, portable, and extensible system for the processing and editing of unconstructed 3D triangular meshes." This tutorial shows the workflow from how to import an XYZ file and export an STL file. ![]() How to Create an STL file from a XYZ file in MeshLab
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