English Posted September 24, 2015 Share Posted September 24, 2015 I need some help with a shed dormer. I created and Automatic Dormer, changed the roof to Shed but the side walls extend too far into my second floor (see first image). If I shorten them then there is insufficient walls to close in the dormer. BYW I had to explode the dormer and make changes as it reverted to a box if I tried to manipulate it unexploded. Thanks Alan Link to comment Share on other sites More sharing options...
solver Posted September 24, 2015 Share Posted September 24, 2015 The section of wall that needs to be split by the roof -- to close in the gap shown but not extend to the floor inside needs to be set as shown in the image. Pull the roof planes back a bit, break the wall if needed, change the setting, then move the roof planes back. Check on the inside how it looks. Link to comment Share on other sites More sharing options...
English Posted September 25, 2015 Author Share Posted September 25, 2015 Thanks Eric Alan Link to comment Share on other sites More sharing options...
English Posted September 25, 2015 Author Share Posted September 25, 2015 Eric I tried that and it doesn't work. I would expect that the wall would be cut by the roof plane so that there is only a wall above the plane and not below -- just as it would be built on site. Alan Link to comment Share on other sites More sharing options...
solver Posted September 25, 2015 Share Posted September 25, 2015 What I said above will work, it's just tricky. This one is manual. I don't understand why an auto dormer will not work. I placed one on the garage, changed the roof to a shed, resized it, then exploded it to change the window. Looks correct inside and out. Link to comment Share on other sites More sharing options...
English Posted September 28, 2015 Author Share Posted September 28, 2015 Eric As much as I tried I couldn't get those side walls to cut below the roof plane. I ended up just extending them for the elevations and cutting them back for the plan. When I get time I will play around with it some more (and try the auto dormer. Thanks for your help Alan Link to comment Share on other sites More sharing options...
Solution English Posted October 11, 2015 Author Solution Share Posted October 11, 2015 Okay after submitting a bug report for the Cut Walls at Roof Plane I finally understood what that function does and it's not what I thought it would do. It just removes the vertical section of the dormer side wall below the roof plane. I was told by tech support that to do what I wanted I just needed to extend the side walls into the building so they are visible in 3D views. Then to hide them in plan view I need to place a CAD square over the portion of the wall so that it is not visible. A workaround but does the job. Alan Cut wall at roof plane does this. I need to extend these walls into building so they complete the dormer in plan and elevation views. and then in plan cover the section of the side walls with a CAD box so they are not visible (in actuality they are built off the roof sheathing so are not visible on the second floor plan. Hope that makes sense. Alan Link to comment Share on other sites More sharing options...
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