If your gabled roof extends all the way to the other end of your building push pull it back that far.
How to make a gable roof with a pitch sketchup.
In this case you put a roof on a house.
Erase the vertical edge you drew in step 3 and the guide you drew in step 2.
2 use the protractor tool to create an angled guide at the corner of your roof.
Draw two edges from the top of your vertical line to the corners of your roof.
Architects and builders often express angles as rise over run ratios.
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.
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This tutorial teaches you how to use the move tool to extrude parts of the model.
Watch this tutorial to find out how to make a basic roof in google sketchup the easy to use 3d modelling tool.