LOCAL MESH DIAGNOSTICS
Check your STL before slicing
Check your STL for common mesh problems before slicing. Analysis runs locally in your browser and your file is never uploaded.
Drop an STL file hereor choose a file from your deviceBinary and ASCII STL · up to 150 MB · processed on this device
Reading and analyzing STL…
CHECK RESULT
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- Watertight
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- Boundary edges
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- Non-manifold edges
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- Degenerate triangles
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- Triangles
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- Dimensions (X × Y × Z)
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Could not open this file in Repair. Please open it manually.
What this check tells you
The Checker uses STLPad’s existing mesh Analyzer to report topology and degenerate-triangle diagnostics. A clean result means no checked issues were detected; it is not a guarantee that every slicer or printer will accept the model.