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2D
Advocate

Curtain Wall - custom edge profile creates gap in adjacent panel

Hi There,

 

I am experiencing some problems with the curtain wall tool. i have a custom border profile which works well on one side of the curtain wall, whereas on the opposite side, it influences the way the window panels are being generated - more specifically it cuts the adjacent panel by exactly the width of the edge profile, as if the ghost profile would be mirrored in that place.

Looking forward to a logical explanation and fix for this!

 

PS: i tried also with a mirrored/rotated/mirrored and rotated profile. All other orientations create unwanted results. this is the closest to the desired result...

 

Operating system used: Windows 6020 NED


001.png
002.png003.png

Setup info provided by author
8 Replies 8
2D
Advocate

well, redrawing the curtain wall wiht the exact same dimensions and the exact same panels and profiles seems to have fixed the issue... but would be glad if redrawing something which should have worked in the first place would not be necessary in order to fix an issue which seems to be more of a bug. 😉

004.png

2D
Advocate

Aaand yet another remark. Why version 2 seemed to have worked is due to the fact that the las frame dimension was not as intended (125) but less. Once i reposition the scheme grid to the required dimensions, the panel gets cut off again... The workaround or fix seems to be selecting the mullions in the scheme and moving them to the desired positions - off scheme grid.

006.png

 

Hence the current workaround is visible in V4.

 

005.png

Ricardo Lopez
Advisor

Hi @2D 

Perhaps you can place de origin to the center of the profile so it is simmetrical when fliped.

 

Custom CW border profileCustom CW border profile

Ricardo López, M. Arch.
BIM Consultant | Project Solutions and Services | Panama
AC17-29 SPA+INT | Windows 11 | MSI CreatorPro M16 HX C14VJG, 64GB, Nvidia Quadro RTX 2000 Ada Generation
runxel
Moderator

What component are you using, @2D ?

Is it the "Custom Profile" where you draw something in the profile editor?

 

Bildschirmfoto 2026-03-19 um 00.01.07.png

 
 

Also what's the Boundary Frame placement method?

 

TippsnTricksCWFrame_boundaryPlacement.png

 

 

I also suspect that placing the center of the frame at the actual center of the total bounding box might help here.

 

Bildschirmfoto 2026-03-19 um 00.11.07.png

 

You will need to play with this value here however, so set the inbound panel has the right clamp width.

Lucas Becker | AC 29 on Mac (Sequoia) | Graphisoft Insider Panelist | Akroter.io – high-end GDL objects | Author of Runxel's Archicad Wiki | Editor at SelfGDL | Developer of the GDL plugin for Sublime Text

My List of AC shortcomings & bugs | I Will Piledrive You If You Mention AI Again |

POSIWID – The Purpose Of a System Is What It Does /// «Furthermore, I consider that Carth... yearly releases must be destroyed»
2D
Advocate

@runxel 
Thanks for the hint. it is placed centered, because that's how i would like it to be placed. If i place it with the outside, the bug/cutout does not occur anymore, i would then have to manually adjust the size of the first and last panel by the width of the boundary frame.

it still remains a bug, since the automatic mirroring of the profile works correctly, yet the panel gets represented wrong - as if the mirroring would not occur.

@Ricardo Lopez 
I tried centering it, the bug persists.

 

2D_1-1773912231343.png

 

So for now we have found around 3 workarounds to solve a bug  in an ancient archicad tool. 😉

 

runxel
Moderator

@2D  schrieb:

So for now we have found around 3 workarounds to solve a bug  in an ancient archicad tool. 😉


Yeah, it looks like a bug, because it will be fine in 2D, but not in 3D. You should report that to your reseller so it can get fixed.

However, if you "play by the rules", it works fine in both 2D and 3D form the start. Meaning, you have to center your profile.

The CW tool always assumes that the center point of a profile is in the actual center.

I recreated your file: If I center the profile in the profile editor so the geometric center is at {0,0} then everything works out. Also the miters are no longer broken. Then I can just adjust the clamp depth and it looks all good.

 

 

front: uncentered profile, back: centered profilefront: uncentered profile, back: centered profile

Lucas Becker | AC 29 on Mac (Sequoia) | Graphisoft Insider Panelist | Akroter.io – high-end GDL objects | Author of Runxel's Archicad Wiki | Editor at SelfGDL | Developer of the GDL plugin for Sublime Text

My List of AC shortcomings & bugs | I Will Piledrive You If You Mention AI Again |

POSIWID – The Purpose Of a System Is What It Does /// «Furthermore, I consider that Carth... yearly releases must be destroyed»
runxel
Moderator

Sure!

This is how it looks in 2D.

Bildschirmfoto 2026-03-19 um 14.44.50.png Bildschirmfoto 2026-03-19 um 15.01.24.png

 

Placement is center of boundary, like you have it.

The profile is centered, so is the cap. This would now need to be adjusted in the profile editor as well.

 

 

Lucas Becker | AC 29 on Mac (Sequoia) | Graphisoft Insider Panelist | Akroter.io – high-end GDL objects | Author of Runxel's Archicad Wiki | Editor at SelfGDL | Developer of the GDL plugin for Sublime Text

My List of AC shortcomings & bugs | I Will Piledrive You If You Mention AI Again |

POSIWID – The Purpose Of a System Is What It Does /// «Furthermore, I consider that Carth... yearly releases must be destroyed»

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