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I get mostly IFC and Revit exports from engineers.
Mostly created in Revit, Navisworks or Microstation.
They are not shy to either spread uncleaned Library Elements,
downloaded from manufacturers websites, all over their files
- simple lighting devices that contain a complex IES Distribution Mesh in geometry
and/or Mesh Geometries for a simple LED Lamp with about 80,000 3D Faces each,
duplicated as a new Block for each Wattage option.
- Door Blocks with totally unnecessary tessellation in IFC, mostly better by RVT import
but are so crap that they do not optimize much by DMSIMPLIFY.
If I test wise just delete all these secondary, semi important (often solidified) Mesh Bombs,
the File size may easily get down from 1000 MB down to a reasonably quarter of file size
for the more interesting architectural geometries.
I personally think it is pretty impolite to just throw such unedited Library Elements into your file,
because it works for you and just spread it into the collaboration.
I don't know what Hardware the BIM coordinator uses and can handle the overall BIM Model
that way. There are weekly file updates but no complaints or improvements in file clean ups.
How do you deal with such hurdles ?