Compound

Refreshed my memory on how to develop a compound roof kernel ‘old school’. Instead of a framing square, compass and paper I made use SketchUp – but not in my usual way for working out complex roof framing. To generate this drawing I projected out all the faces of the roof, then rotated the components into 3d to create the roof kernel.
RoofKernel-Hip

The kernel pictured is 12:12 and 9:12 hip, regular plan.

RoofKernel-Hip2

The next step is to laser cut templates that can be folded / unfolded when explaining how a compound roof comes together.

RoofKernel-Hip3

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