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Thread: Cannot add mullion in curtain wall grid

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    Member gpktm's Avatar
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    Question Cannot add mullion in curtain wall grid

    Hi everyone

    I deleted a mullion from the grid, now when I'm trying to add it back in with "Mullion" command, it can't even see the grid, nevertheless, I can select the grid line, move it, add/remove segment, etc. First, I thought I deleted the segment, but that wasn't the problem. The other strange thing is, when I copy -> paste the whole curtain wall into another project, there I can add a mullion back without a problem.
    Attached Thumbnails Attached Thumbnails Cannot add mullion in curtain wall grid-1-missing-mullion.jpg   Cannot add mullion in curtain wall grid-2-selecting-gridline.jpg   Cannot add mullion in curtain wall grid-3-mullion-placement.jpg   Cannot add mullion in curtain wall grid-4-into-new-project.jpg  

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    Quote Originally Posted by gpktm View Post
    Hi everyone

    I deleted a mullion from the grid, now when I'm trying to add it back in with "Mullion" command, it can't even see the grid, nevertheless, I can select the grid line, move it, add/remove segment, etc. First, I thought I deleted the segment, but that wasn't the problem. The other strange thing is, when I copy -> paste the whole curtain wall into another project, there I can add a mullion back without a problem.
    Hi, Did you solve this?

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    Senior Member Ning Zhou's Avatar
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    i encountered the exact same issue, works OK if copied out to another (new) project, anyone has clue what's going on?

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    Senior Member Andres Franco's Avatar
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    I have Had seen this several times since here we work a lot with Curtain Walls, as the problem seems to be a mystery what I do as workaround is a copy of the entire wall then I delete that wall and finally I Paste the wall from the clipboard, normally that allows you to add mullions and so on, HTH

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    Senior Member Ning Zhou's Avatar
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    seems simple cut/paste won't do the trick, needs to copy out and add mullions there then copy back, thanks Andres for the workaround

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    Dave Jones's Avatar
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    when a curtain wall mullion has been removed from a gridline as shown in the OP it has been removed using the Add/Remove Gridline tool after selecting the appropriate gridline. To restore the mullion use Add/Remove Gridline tool again and select the gridline where the mullion is to be replaced. You can only use the mullion tool when a mullion has been unlocked and deleted. If this were the case in the posted screen shots by the OP there would have remained the joint between the right and left curtain panel. After the mullion has been replaced you can use Type properties to change its type if you like.
    Andres Franco likes this.

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