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Can't place wall based balcony family onto an ETICS wall composed of joined layers - „instance not cutting anything”

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a.rucki
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Can't place wall based balcony family onto an ETICS wall composed of joined layers - „instance not cutting anything”

I created a wall based family of a precast concrete balcony on a load bearing thermal break, that suppose to adhere to the structural wall from the outside and cut out the thermal insulation/external finish where the balcony intersects them (to acheve the last goal, I added a parametrized void).

 

Another issue is, that due to our client's requirements, the ETICS wall is modelled with four separate walls, joined afterwards, so the windows can cut their openings through all layers (which they do properly).

 

The insertion point of the balcony's family is set to the core centerline of the structural wall. The reference plane called „Back” (present in wall-based family by default) is not linked to any of my geometry.

 

Unfortunately, when I'm trying to place the balcony, I keep getting the message, that instance [of my balcony] is not cutting anything. Any idea what I'm doing wrong?

 

CZM_wall based family not cutting anything_2023-09-06.png

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a.rucki
als Antwort auf: a.rucki

Ok, I partially solved the problem myslelf - it seem that the default reference plane checked as defining origin is pretty much uselsss in that case, and you have to bind the geometry of the family to the reference plane on the Back of the wall (actually it is the wall-based family Placement Side, so it's kind of front” if someone considers adding elements on the outside of the wall).

The problem with not cutting disappears, as in this case our Void directly cuts out thermal insulation and/or external finish.

 

The remaining unsolved part for me is the fact, that effectively the balcony is embedded in the layer of finish or thermal insulation, rather than structural wall (what would be preferred), but I guess I can get away with that for a while. 

 CZM_wall based family not cutting anything_2023-09-06+.png

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