Claw Lines for Trèteaux Hip Rafters
The claw lines are laid out on the roof surface using the geometric fold down or draw down layout technique. The claw lines are always parallel.

Seat Lines that develop the claw lines
• Purlin Rafter Seat Line Dimension for Plan View
• Purlin Rafter Seat Line Dimension for Roof Surface
• Hip Rafter Footprint Seat Line Dimension

Claw Lines
• Hip Rafter Dimension for Claw Line #1 is always = 0
• Hip Rafter Dimension for Upper Claw Lines are from #1 to #3
• Hip Rafter Dimension for Lower Claw Lines from #4 to #2