Roof Cutting and Stacking
Nick Ridge, Illustrator of Will Holladays book, A Roof Cutters Secrets To Framing a Custom Home continues the tradition.
Patrion link patreon.com/roofstacker
Big roof cutting- parallel hip to valley jacks.
Углы крепления шпал California
Octagon hips revisited
Cutting octagon hips
End king cripple and broken hip review. 
One framing square step common difference for jack rafters.
In person roof framing classes in California available by going on roofframingtools.com.
Unequal adjacent roof pitches
The math for any polygon. 
Hexigon geometry for concrete and framing.
Roof framing classes in Berkeley, CA
Patreon.com/Roofstacker On-line roof-framing classes.
Roof framing classes available in California. Go to roofframingtools.com for info
Bastard roof model
The common and hip/ valley rafter secant
Supporting hips and supporting valleys
Irregular hip and valley lengths
Vaulted hip backing for drywall.
Traditional method to obtain hip/valley backing angles.
More bastard roof jack rafters
Irregular hip and valley deductions
Bastard valley jack rafter spacing.
Roof framing classes available. Sign up at roofframingtools.com
Fast Broken hips
Using king and  and king commons to simplify hip framing
Unequal intersecting pitch roof with equal overhangs
Plywood cuts for unequal intersecting pitch roofs.
Dividing spans
More on 9 - 5 split pitch
5-9 split pitch