https://offbim.org/ 2026-07-18 weekly 1.0 https://offbim.org/static/case-studies/cs01-nist-validation.png OffBIM NIST STEP File Analyzer Zero Errors Validation OffBIM IFC to STEP AP242 conversion validated by NIST STEP File Analyzer 5.41 with zero errors reported https://offbim.org/static/case-studies/cs01-step-code.png OffBIM STEP AP242 CYLINDRICAL_SURFACE Output Raw STEP AP242 output showing CYLINDRICAL_SURFACE entity with diameter depth and IFC GUID traceback https://offbim.org/static/case-studies/cs02-tolerance-json.png OffBIM ISO 2768-1 Tolerance Report JSON OffBIM automatic ISO 2768-1 tolerance attribution per IFC element in JSON format https://offbim.org/static/case-studies/cs02-assembly-json.png OffBIM Assembly Report IFC Components OffBIM assembly report grouping IFC beam components by assembly mark https://offbim.org/static/case-studies/cs02-export-interface.png OffBIM Production Interface Batch Export OffBIM production interface showing 38 elements exported with tolerance and assembly reports https://offbim.org/static/case-studies/cs01-rhino-render.png OffBIM STEP AP242 Geometry in Rhino Translated STEP AP242 geometry rendered in Rhino with hole features preserved through IFC conversion https://offbim.org/static/offbim_logo_current.png OffBIM Logo - From BIM to Fabrication OffBIM - Converting IFC building models to manufacturing-ready STEP AP242 files https://offbim.org/about 2026-07-18 monthly 0.7 https://offbim.org/static/about/rita-presenting.jpg Rita Baltasar presenting OffBIM research Rita Baltasar Lead Digital Engineer and PhD candidate presenting OffBIM IFC to STEP AP242 research https://offbim.org/contact 2026-07-18 monthly 0.6 https://offbim.org/privacy 2026-07-18 yearly 0.3 https://offbim.org/terms 2026-07-18 yearly 0.3