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Deleting extra materials in blenderbim breaks when exporting/saving IFC

1. A by Ace on 28 Mar 2022, edited 29 Mar 2022 #

   I am attempting to delete extra non assigned material from my IFC file:

   

   It deletes and then exports but on re import to check, It doesn't actually delete the material

   I had an error earlier but it seems to have gone and cant get it back, does anyone know what I'm missing here?

   I've attached the IFC if anyone has an idea

2. A by Ace on 28 Mar 2022, edited 28 Mar 2022 #

   Ok I've realised it's the exact same problem as here:

   https://community.osarch.org/discussion/comment/10947/#Comment_10947

   and Dion is working on it:

   https://github.com/IfcOpenShell/IfcOpenShell/commit/4184f2bf465f65167f3178ec610f931bf778bae2

3. A by Ace on 28 Mar 2022 #

   Does anyone know how to delete the IFCstyle in that case?

   I've attempted to unlink it and then delete but to no avail

   

4. T by theoryshaw on 29 Mar 2022 # +1 votes

   I think, this way.

5. A by Ace on 29 Mar 2022 #

   That works brilliantly!

6. B by bruno_perdigao on 29 Mar 2022, edited 29 Mar 2022 #

   Just saw @theoryshaw video. That's great

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