An app designed for the professional Sheet Metal Tradesman involved in Workshop Pattern Develeopment.

Transition Patterns available: Lobsterback Bend, Elbow, Trunnion, Ellipsoidal Dome Head, Frustum Cone, Flat Back Cone, Oblique Cone, Tee, Offset Tee, Square and Rectangle to Round, Oblique Square/Rectangle to Round, Measurements of a Circle, Standard Pip Chart with Centre Radius.