Layover type Jack Rafter and Jack Purlin
Developments of Compound Angles


Development of Layover Purlin Compound Angle ... 90° Ridge Intersection
Development of Layover Purlin Compound Angle ... 120° Ridge Intersection
Development of Layover Rafter Compound Angle ... 90° Ridge Intersection
Development of Layover Rafter Compound Angle ... 120° Ridge Intersection
Tetrahedron extracted from wedge modeling the Main Roof ... 120° Ridge Intersection
Development of Tetrahedron extracted from Main Roof ... 120° Ridge Intersection

Joe Bartok