Analysis of STL files
نویسندگان
چکیده
منابع مشابه
As-exact-as-possible repair of unprintable STL files
The class of models that can be represented by STL files is larger than the class of models that can be printed using additive manufacturing technologies. In this paper such a gap is formalized while providing an unambiguous description of all the mathematical entities involved in the modeling-printing pipeline. Possible defects of an STL file are formally defined and classified, and a fully au...
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A STL file format contains a series of triangles representing the surface model of the part that are being made by Free Form Fabrication technologies. However, recently this file format is being used to interrogate and transfer data between different CAD/ CAM /CAE systems. There are many inherent defects associated with STL files, such as gaps, incorrect normal vectors, overlapping facet, non-m...
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Free Form Fabrication (FFF) machines transform objects merely existing as Os or 1s in a computer into a tangible object. FFF machines shift the paradigm of standard 2 Dimensional printers/paper printouts to 3 Dimensional printers/volumetric printouts (or 3D hardcopies). Currently, this technology is weakened by the link between computers and FFF machines: the .STL file, which contains a series ...
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In this paper, we present a robust and efficient technique for surface meshing based on Stereolithography (STL) surface definition. Ridges are correctly identified using checks on dihedral angle and comparisons of the ratio of triangle edge lengths. Robust edge swapping, splitting and contraction are performed with stringent element validity checks. The improved remeshing technique is applied d...
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Runtime verification as a field faces several challenges. One key challenge is how to keep the overheads associated with its application low. This is especially important in real-time critical embedded applications, where memory and CPU resources are limited. Another challenge is that of devising expressive and yet user-friendly specification languages that can attract software engineers. In th...
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ژورنال
عنوان ژورنال: Mathematical and Computer Modelling
سال: 2003
ISSN: 0895-7177
DOI: 10.1016/s0895-7177(03)90079-3