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Documentation

How to Export a File as an STL From Rhino?

This article explains how to export a file as an STL from Rhino. When uploading a model in the SimScale platform.

Guidelines

  1. Select the parts desired to be exported.
  2. In the File button, click on the Export Selected.
  3. Select STL(*.stl) on the Save as a Type Input box.
  4. Open the options menu.
  5. Set the STL Export Options as an Ascii File type.
  6. Save.
selection of parts for how to export a file as an stl from rhino
Selection of the desired parts to export.
preparation steps for how to export a file as an stl from rhino
Configurations for the STL export.

When the model is going to be studied with a Pedestrian Wind Comfort (PWC) analysis, it is advised when exporting a model as an STL file, to use the following settings as a starting point:

polygon mesh detailed options for how to export a file as an stl from rhino tutorial
Polygon mesh detailed options for a PWC analysis.

Note: The above settings are coarse, and therefore large surfaces will be low in polygons to reduce the upload size. If the settings make details look too tesselated, then you can use finer settings on specific objects by converting them to a mesh before the export. The above settings are assuming the base unit is meters, but you can multiply by a thousand (x1000) if using millimeters.

Typically, an STL will be much smaller than half a gigabyte (0.5Gb) and therefore, if the file is much larger please consider the details you are exporting and if doing a pedestrian wind comfort analysis refer to the basic geometry requirements or if any buildings originated in Rhino or similar BIM software, please see our Revit preparation guide.

A short video guiding you through the above steps is linked below.

Guided tutorial on how to export a file as an STL from Rhino for the SimScale platform.

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