Seems like its an axis issue but not sure.
Roof dormers in sketchup pro.
The trebl d system is really quick and easy.
Select it and intersect with the model.
The video is part of the trebl d dormer house tutorial series which shows how to quickly make a professional standard 3d model of a traditional attic style house with dormer windows using sketchup.
To make the front dormer make a simple gabled roof you can draw the elevation outline and pushpull it into the main hipped part.
Dormer roof design involves complex geometry and usually gnerates a lot of head scratching for architects and builders.
The valleys will be auto created.
In the build roof dialog that displays ensure that either build roof planes or auto rebuild roofs is checked specify your desired pitch in 12 then click ok.
Erase the unwanted parts.
The single story roof can be made as the rest.
I ve attached the file here.
To adjust the roof settings select build roof build roof from the menu.
Roof frame with dormers on both sides carpenter carpentry construction dormers frame house jeff cowell jeffcowellcom lumber roof stick wood explore the world s largest free 3d model library but first we need some credentials to optimize your content experience.
I need the dormers and roof pitches to enclosue to be able to 1 place my offsets 2 select areas for skelion solar panels.
Now both the upper and lower room areas should be defined as attic with the middle section remaining undefined for now.
This sketchup tutorial shows how to create an attic roof with dormer windows.