This is in ArchiCAD 18 using the Triple Window 18 window object.
Any ideas how to fix this....
![](https://dl.dropboxusercontent.com/u/399074/sites/trapdoor/RebateWindowLintol.jpg)
Window Settings...
![](https://dl.dropboxusercontent.com/u/399074/sites/trapdoor/RebateSettings.jpg)
Ta
AC versions 3.41 to 25 (UKI Full 5005).
Using AC25 5005 UKI FULL
Mac OSX 10.15.7 (19G2021) Mac Pro-2013 32gbRam AMD FirePro D500 3072 MB graphics