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CAD tip # 11806:

Question

CAD
% platform category

Higher precision for facetted round surfaces in STL export from Inventor.

In the stereolithografy file (.STL) generated from Inventor, the radial (round) surfaces and details are represented too roughly, facetted. How to increase their smoothness, precision - e.g. for 3D print?

In the main dialog of the command "Save copy as" click the Options button and in the options dialog choose the resolution "High" or "Custom" and decrease the "Deviation" parameters.

Surfaces will be then converted to STL format in higher precision. But the file size will be larger.

A sample - comparing STL output of a single (larger-sized, about 50cm, 16in) IPT part with the precision settings (from the left) "High", "Low" and "Brep" (in the 3D print application Autodesk Print Studio):

Inventor

* CAD

21.2.2018 1464×

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applies to: Inventor ·

See also:
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 11391:	Which file formats to use to bring a 3D model into Paint 3D?
Tip 10685:	Which Autodesk products support 3D printing?
Tip 10547:	Why is my STL file imported into Inventor 10x smaller?

Selected tip: Faster loading of assemblies and projects in networks.

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