Chordal Deviation, Angular Deflection, and Watertight Manifold Verification in STEP-to-STL Tessellation (2026)

Quantitative benchmark dataset analyzing chordal tolerance (sag), angular deflection limits, and boundary edge watertightness when tessellating ISO 10303-21 (STEP AP214/AP242) B-Rep solids into triangulated STL surface meshes for additive manufacturing and FEA preprocessing. Interactive Engineering Tools & References:- Browser 3D STL Mesh & Watertight Manifold Inspector- 3D Printing Chordal Deviation & Facet Resolution Calculator- STEP to STL Tessellation & Tolerance Reference- ISO 10303 STEP File Header & Schema Parser