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CAD tip # 11387:

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How to edit large STL files in Fusion 360?

If you have a STL file with a 3D model e.g. for 3D printing and you need to perform a small or large correction of this model, you can use the CAD application Autodesk Fusion 360.

Start a new empty model (project) and invoke the command INSERT > Insert Mesh to import a STL or OBJ file.
In Options (the gear icon, bottom-right), choose "Do not capture design history".
Use the command MODIFY > Mesh > Mesh to BRep. This tool may report the error message: " This mesh contains a large number of facets. Conversion aborted." In such case, use the tool Decimate in Autodesk ReMake or Edit > Reduce (Shift+r) in Autodesk MeshMixer and simplify your model - decrease the number of surface facets - the maximum number is about 10-13 thousands faces. Then re-read the simplified model.
You can then edit the model converted to BRep using the Fusion 360 tools and then export the model back to STL.

Fusion360

* CAD

12.4.2017 7533×

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Fusion 360

applies to: Fusion360 ·

See also:
Tip 12029:	How to print 3D characters designed in Autodesk Character Generator?
Tip 11972:	How to convert a Tinkercad 3D model to a DWG file?
Tip 11590:	How to replace a 3D mesh model with a grid structure?
Tip 11545:	How to export a sliced 3D model from Slicer for Fusion 360?
Tip 11391:	Which file formats to use to bring a 3D model into Paint 3D?

Selected tip: How to select all drawing entities containing a given text?

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