HP Jet Fusion 300 User Guide - Page 45
Saving and exporting files, Siemens NX recommended export settings
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Saving and exporting files After your files are designed, your model needs to be tessellated, or converted into triangles, which are used by the printer to create layers. Tessellation occurs when you save or export your model file into specific file formats. The HP SmartStream 3D Build Manager accepts four different file formats: ● 3MF NOTE: 3MF is the preferred file format for HP SmartStream 3D Build Manager. ● VRML 2 (.wrl) ● OBJ ● STL When saving or exporting your file, note that a normal file size for a model is about 1-200 MB, but the size depends on the type of software that created it, the number of triangles, the number and level of details, and so on. HP does not recommend working with files of more than 4 GB-beyond that size, the extra resolution in the file may have no effect on the printed part. When exporting to STL, OBJ, or VRML 2 from a CAD package, you are often required to introduce some parameters such as angle tolerance and deviation chord height. These parameters define the resolution and file size of the part. The recommended parameters when exporting parts are an angle tolerance in the range 1-5 and a deviation chord height in the range 0.05-0.2. The angle tolerance should be reduced for parts with cylindrical or spherical shapes, and the chord height should be minimized for parts with fine details and small features. Below, you will find some recommended export parameters/settings for common 3D modeling programs. Siemens NX recommended export settings Recommended export format: VRML (.wrl) Saving and exporting files 39