Poore's chart of seven basic forms, each drawn as an emblem with small sketch compositions below: scales, triangle, circle, cross, radiating lines, S-curve and L-shaped rectangle, labeled with the principle each serves, such as equipoise, climax and circular observation.

Concept · Arranging the Picture

Armatures

An armature is a simple shape that holds a picture's main masses together: a triangle, circle, cross, S-curve or L.

Poore's chart sets each form beside small pictures built on it. The triangle means stability; in landscape, he said, it lies on its side, pointing into the distance.

  • The L-shape, he thought, is the only form that needs an opposing mass to balance it.
  • An armature found by drawing over a print is a reading, not proof of the artist's plan.

See

Image: Project Gutenberg · Public domain

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