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Toolbar: SYSCAD Draw ->  or 
Ribbon: SYSCAD Tools -> Diverse -> or
•Run the calculation always in a new drawing.
•Drawn elements must be polylines.
•If you have seperated contours, SYSCAD asks for the coefficient of interaction (e.g. 0,70).
Command:
Outer contour:
Select objects: Select the outer contours
Select objects , which should be subtracted:
Select objects: Select the inner contours
SYSCAD can hatch the contour of the polylines. It is helpful to control the correct detection of the contours. In case the detection went wrong we recommend the manual selection of the inner and outer contours.
Subsequently the material is selected from a dialog box.
Effective surface moment of inertia for insulated profiles  (acc. DIN EN 14024:2004)
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