A spatial geometrisation, perspective submits the line to ordered optics. Perspective drawing, detached from the utilitarian methodologies that imposed the rules of conventional constructions, liberated from the constraints of imitation, open the door on the experimentation of lines-rays tangled in the field of view.

 In its double falsity, binocular perspective is a partial vision on three-dimensional space. It reduces the composition of relief and depth to lateral gaps between corresponding points in an images couple.

 From these graphical limitations springs up the improvisation of lines, the manipulated windows, the reflections and symmetries, the sectioned and pierced surfaces, the non-existent space.

"Screen", jacques Desbiens, 1995,
acrylic on pierced wood, 91.4cm X 60.8cm.

Views on polyhedrons

"29 viewpoints X 2 on a dodecahedron (stereogram)",
Jacques Desbiens, 2009, computer graphics.

This perspectivist images series amalgamate many points of view around an object. The confusion of superposed forms shows the addition, in a single image, of a succession of visions.

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See also the experiment “Descending a Staircase”.


Random stereoscopy

"Random Stereoscopic Drawing", Jacques Desbiens, 1994,
ink on paper. 35 X 15.5cm.

These stereograms, hand drawn, produces an illusion of three-dimensional space without using perspective methodologies. It simply consist of laterally displacing, randomly, the correspondent points in the left or right image, so the lines and shapes will adopt varied orientations in the fused stereoscopic image.

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"Duchamp Visuel", Jacques Desbiens, 1996,
graphite on paper, 15cm X 40cm each.

The empty, purged space of art galleries entered these linear perspectivist structure experiments. Improvised perspectives, the architecture and objects take shapes along the elaboration of the perspectivist construction.

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