CalculationSTL Mesh Analysis
Free STL mesh analysis
Checks a triangular mesh for area, bounding box, open edges, and usable volume.
How to use the result
Choose a file or replace the example with your own data. Supported formats and limitations are listed in the result notes.
File contents are sent to the server for analysis. Large or unsupported files are rejected with an explanation. Verify results against the original file before use.
Sources
STL format, Library of Congress: https://www.loc.gov/preservation/digital/formats/fdd/fdd000505.shtml; oriented tetrahedral sum (divergence theorem)