2. Views The dihedral system is a method of representation of multiple
projections, where the elements are defined by their
orthogonal projections on at least two planes of projection.
Vertical
Plane PV Plane of the
Elevation
projection
on the vertical
plane PV
Profile
projection on
the plane of
the profile PP
Plan
projection on
the horizontal
plane PH
profile PP
Horizontal Plane PH