I am following the tutorial and still not sure how to get this done....right!
I use spacebar and click on the contour line but I don't understand why there is a straight line joining the ends...please see the attached screen shot showing the green line....thanks for your help.
Lilian Seow
LEED AP | cSBA | CAPM | PMP
Interior-Architecture and BIM Management
AC20 USA | 27- macOS 10.14.6| 4 GHz Intel Core i7| 32 GB RAM | Archicad-user since 1994!