Tréteaux Angles Trigonometry Formulas
Log and Timber Roof Framing and Joinery Angle Calculator
by Joe Bartok
Roof Layover Formulas
by Joe Bartok
Drawing with Miter & Claw Lines for a Rotated Hip Rafter
Eave Angle = 90°
Drawing with Miter & Claw Lines for a Rotated Hip Rafter
Eave Angle > 90°
Drawing with Miter & Claw Lines for a Plumb Hip Rafter

Drawing with Purlin Miter Angle, Claw Angle & Claw Lines for a Plumb Hip Rafter

Tréteaux Angles Check

	Major Pitch

	Minor Pitch

	or enter Major Angle

	or enter Minor Angle

	Eave Angle

	Purlin Rotation Angle in Plan View

	Purlin Rafter Depth

	Hip Rafter Depth

	Hip Rafter Width

results are shown below in the IFrame window