Measure what READ measures.
Three instruments at the altitude of the consultation. They run on the reference head from the atlas, or on your own patient photograph, entirely in your browser: nothing is uploaded anywhere. They show the reasoning READ applies; they do not issue a plan, and every number here is a cue for the clinician's eye, never a substitute for it.
The angles of the profile plane
Drag the landmarks. The instrument reads the nasofrontal, nasolabial and labiomental angles, the facial convexity angle, the lip positions against Ricketts' E-line and the chin against a true vertical through subnasale, and on the reference skull the gonial angle. Norms are cited on the sources page.
Scale
Angles
Lines
Thirds and the width ratio
Trichion, glabella, subnasale, stomion and menton give the vertical thirds and the lower-third split. Zygion and gonion on each side give the bigonial to bizygomatic ratio, the read that decides whether the lower face is a width question at all. The default points are the reference skull's soft-tissue landmarks.
Vertical thirds classical reference: equal thirds
Width
Soft-tissue widths measured on a photograph run wider than caliper widths pressed to bone, and camera distance changes the apparent ratio. The thresholds in the read below are illustrative cues; the Codex reads proportion by eye, and the clinician outranks the number.
From fourteen reads to five steps.
Enter a consultation the way READ captures it. The instrument shows which gates fire, which steps become eligible, which run by default, and how frame, skin, ambition and visibility shape the ceiling and the locks. It shows the shape of a plan, never the plan: no regions inside a step, no volumes, no order of points.
This instrument reproduces the gate order, the default and indication archetypes, the frame and skin modifiers, the visibility ceiling and the lock rules exactly as READ and BUILD state them, at the level of steps and named anchors. Which read fires which point, and with how much, is the Masterclass. In the chair, the three stops outrank all of it.