Embed hosting properly in Wall A but not in Wall B

[Shaiki_]

Hello,

Something weird is happening with a wall-hosted family: in certain walls it thinks it needs to host upside down on the wrong side of the plane (images attached.) Whats going on? As far as I can tell, the walls are identical, and its the same embed being placed.

[ToanDN]

Are we looking upward at the bottom of the walls?

[Shaiki_]

Yes. Its only a problem when placing on the bottom edge of walls

[barthbradley]

Maybe it's the Left to Right vs the Right to Left Phenom?

[Shaiki_]

I've never heard of it! How goes the legend?

[barthbradley]

...help me out here @ToanDN: is it? 

[barthbradley]

@Shaiki_: Try drawing 2 walls; one from left to right and the other from right to left. Place your component on both walls. Any difference in the way they are mounted to the wall? 

FYI: Ref. Planes have a direction. Yes; true. 

[Shaiki_]

No, did not make a difference. Was unable to cut out of either of them. It's only the bottom edge of the wall thats the problem too; all other faces host as expected.

[barthbradley]

Alrighty. 

This is where I was going, FWIW: http://bimextension.com/revit-families-hosted-to-reference-planes-are-upside-down/

[Shaiki_]

Ive attached a file with the wall type and embed family pasted into a blank default construction template. (all of the embed types we use display the same results so I don't think its a family issue) 

[barthbradley]

What's wrong with it? Seems to be behaving properly for me.

Never mind. I see now. 

Interesting...if I edit the wall profile and raise its base up, the component family will "find" the bottom face of the wall just fine. I'm sure that doesn't help; but interesting all the same. 

[Shaiki_]

Temporarily solved by creating reference planes aligned with bottom of panels and placing embeds on the work plane instead of on face. Not ideal for projects with many varying panel heights, but will get me through this project anyways!

[barthbradley]

Betcha they aren't cutting wall though.  

[ToanDN · Accepted solution]

Nested the original family in a work plane based family then use it for bottom wall conditions.  

p/s: add a void in the work pane based family, tick Cut with Void when load (because the face based void has no effect here), then use Cut geometry to cut the wall in project.

Capture.PNG

[Shaiki_]

Ah youre right, just noticed that now. 

[barthbradley · Accepted solution]

Try this. 

I must have be doing it at the same time as @ToanDN.  His is probably "more better" though. 

[Shaiki_]

Thanks! I'll duplicate the family and update it to plane based in the cases where we need embeds on the U.S. of panels and that should to the trick. Still interesting why they don't host normally to the bottom face though!

[barthbradley]

how about 2 solution credits on this one? You'd be alright with that @ToanDN; wouldn't you? 

[Shaiki_]

Already done my friends! Thanks for all the help!