Tensors Variations
NLF TENSORS TRIGONOMETRY ( A.TENENBAUM)
Basics
Ordinate Axis or Vertical
line passing from the nasal tip to the middle of the chin

Abscissa Axis or Horizontal
line passing between the 2 labial commissures

Summary for the left hemiface
the 0 point of reference in the green square

the 0 in green square or point of reference is the point of intersection between the abscissa axis and the ordinate axis
Summary for the right hemiface
the 0 point of reference in the green square

the 0 in green square or point of reference is the point of intersection between the abscissa axis and the ordinate axis
Angles Work Area
Angles work area for the left hemiface
transfer the 2 axes outside the naso genian area

use for this translation transfer the tongue depressor
Angles work area for the right hemiface
TRANSFER THE 2 AXES OUTSIDE THE NASO GENIAN AREA

use for this translation transfer the tongue depressor