Why are STL files popular in CAD modeling?
STL files are popular among CAD modeling designers because the file format is smaller than most other 3Dfile formats, making them easier and faster to convert and export into CAD modeling software, while stillmaintaining critical information of the 3D model. Although the file format is unique in modeling 3D designsby using triangular facets to represent the facade of the model, it saves the information in a text formatwhich is easily compatible with numerous CAD softwares to open and view 3D models.
STL files are most commonly associated with 3D printing, although they are still widely used in other CNCmachining processes. The main reason for STL files popularity within the 3D printing realm is because it istypically the standard, or default, file format for the majority of 3D printing machines. Since STL filesare the most commonly accepted format for 3D printing software, most CAD designers use this format to avoidany discrepancies that may occur in conversions from other formats, such as STP or IGES files. The directcorrelation between CAD models and CNC machining execution are why STL files are the most practical formatfor accurately and efficiently designing and manufacturing 3D printed parts.
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