I am using Fusion360 to create models to print on my 3d printer. Most of the time I create multiple components in a single model and export each component individually as an STL file for passing to the printer. The problem that I am running into with complex models is that the various components at times can be very hard to re-orientate in the slicer software so that they are truly flat. I can get them close to flat, but there is normally a slight slant to the part ( ~0.2 degrees in one director or another). When printed these components end up with horrible surface finishes, poor bed adhesion, and little bits of support material attached to them.
Here is a quick example I put together:
None of the faces on this model are orientated such that they can be easily rotated within a slicer application so that they are flat on the bed. Right now the best I have come up with is to save each component as it's own model and then play games with the alignment tool to align the best face with the Y or Z plane (depending on which is defined as up) and then export the file. This gets tedious when a model has more than a few components.
It would be amazing if during the STL export there was an option to select a face of the object / component that is being exported and the normal vector of that face would be orientated down in the output STL file. I could be wrong, but based off my limited knowledge of OpenGL this should just be a matrix multiplication of the object's / component's geometry by the normal vector of that face prior to doing the export.
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