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RECORD LOCATED / 2026.09.01

STL export from FreeCAD automation

Export the final valid shape with controlled tessellation and a known scale.

CAD-018REV A
AI narration using Robert's voice. STL export from FreeCAD automation / short introduction.
Open notebook ↗
A CLOSER LOOK

Curves become triangles at export

Curves become triangles at export. Conceptual tessellation and independent-size check.OPEN FULL SIZE ↗
Conceptual tessellation and independent-size check.Explanatory drawing based on this record
Export
Final valid body only
Control
Tessellation
Reopen
Size, orientation and body count
CLASSIFICATIONCAD
STATUSRecovered/Partial
MATERIALCAD / AUTOMATION
DISPOSITIONPUBLIC / RECOVERED/PARTIAL
VIEW FILE ↗

TECHNICAL NOTES///

Export the final valid shape with controlled tessellation and a known scale.

PUBLIC KNOWLEDGE VIEWCAD / Scanning / Automation / how-to

GOALRun the first test described in this guide and record the result for stl export from freecad automation.

EQUIPMENT

  • FreeCAD
  • Representative test model
  • Measurement or inspection method

STEPS

  • Recompute the document and verify the intended final object is nonempty and valid.
  • Select only the final body/shape, excluding sketches, intermediate solids and construction geometry.
  • Choose tessellation appropriate for the smallest curved feature and export the mesh to a collision-safe filename.
  • Reopen in the slicer and check bounding dimensions, orientation, body count and manifold warnings.

TROUBLESHOOTING

  • STL does not reliably store physical units. Very coarse meshing facets curves; excessive density makes files harder to handle without improving printer resolution. A successful file write does not prove correct geometry.

THINGS TO WATCH FOR

STL does not reliably store physical units. Very coarse meshing facets curves; excessive density makes files harder to handle without improving printer resolution. A successful file write does not prove correct geometry.

RESULTAn independent viewer reports the expected size and the slicer produces the intended solid.

DEVELOPMENT HISTORY///

2026.09.01Rev A

Imported as an independent manifest record; public copy keeps uncertainty visible.

SPECIFICATION///

Tool pathFreeCAD
DeliverableHOW-TO
ValidationRepresentative model / known dimension
StatusRecovered/Partial

RELEASED MATERIAL///

cad-018-public-summary.txtPUBLIC SUMMARY / RECOVERED NOTES
WHERE THIS STANDS

An independent viewer reports the expected size and the slicer produces the intended solid.

The record keeps what is known at this revision. Unfinished tests stay unfinished here.
RECORD CAD-018DISPOSITION / PUBLIC / RECOVERED/PARTIALBUILD 0.4.17