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As of NX9 with
PARTsolutions V9.08 it is possible to force a higher quality for the
generation of STL files by a new key in the configuration file ifugnx.cfg.[176]
[Interface] ForceCreateNew3DPreviews=0
1: If set to 1, a new faceted model will always be created whenever a STL file must be written (e.g. geometric search, 3D-preview).
0 (default): If left at its default value, 0, a new faceted model for the STL file will only be created when either no faceted models exists in the part file, or the file is modified. Otherwise, the existing faceted model will be used (faster).
Some customer STLs (3D-preview images) are generated with a very low quality. This has a negative influence on geometric search. The reason for this is existing facet models that were generated for these parts before they are passed to our interface. The interface then uses these facet models instead of generating its own to save time. Additionally, some customer parts are multi-body models, whereas we only support single-body models.