Watch this tutorial to find out how to make a basic roof in google sketchup the easy to use 3d modelling tool.
How to add a roof to an interior sketchup.
Push pull back your triangular gable.
Draw two edges from the top of your vertical line to the corners of your roof.
2 use the protractor tool to create an angled guide at the corner of your roof.
Easily creates roofs with various parameters in sketchup plugin name.
Erase the vertical edge you drew in step 3 and the guide you drew in step 2.
Architects and builders often express angles as rise over run ratios.
This video features the push pull move and offset tool.
For example a 4 12 pronounced 4 in 12 roof slope rises 4 feet for every 12 feet it runs a 1 12 slope is very shallow and a 12 12 slope is very steep when using the protractor tool sketchup s measurements box understands angles.