Non-Parallel / Stepped Laminated IGU at Corner

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stephanie tahary

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Sep 15, 2026, 4:26:57 AMSep 15
to THERM
Hi All, i have an issue on the corner.
The spec glass that i want is laminated IGU : (8+8) + 16 +  (8+8)
Screenshot 2026-09-15 152444.png

But, the model from the CAD, look like this :
Screenshot 2026-09-15 151449.png
The glass is stepped (not allign).

So, when i modelling in the therm apps, i have to make it single glass instead of IGU glass that we use usually from the window apps.
Screenshot 2026-09-15 152137.png
Also, there is a problem about the air spacer (argon). if im using single glass, how i can add the argon spacer? but if im using IGU glass, how can i adjust the glass to look stepped? 

Attached is the therm model for the corner. Pls help me asap to calculate this model or tell me asap if there are any suggestions.

Thankyou.
Stephanie
CORNER MULLION A.THM

Dan Bettenhausen

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Sep 15, 2026, 12:52:59 PMSep 15
to stephanie tahary, THERM
Stephanie,

Options >> Preferences >> Drawing Options >> "Click the box for "Allow editing of IG Polygons"

You can then edit the geometry to be what you want it to be.  The IG should always be imported as a complete assembly from Window.

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