The world reduced to primary colors and right angles — a universal visual language of harmony.
De Stijl was less a school than a doctrine broadcast through a journal: a small, scattered group of Dutch painters, architects, and a poet united by Theo van Doesburg around Piet Mondrian's theory of Neoplasticism, reducing painting, furniture, and buildings alike to a single grammar of vertical/horizontal lines, rectangular planes, and the primary triad plus black-white-gray.
Its ambition was never merely stylistic but cosmological: to dissolve the boundary between art and life and produce, through abstraction, a visible image of universal equilibrium.
Reduction to primary colors, black, white, and the right angle.
The grid and dynamic equilibrium.
Abstraction as a universal spiritual language.
The dissolution of the boundary between the arts.
By reducing art to universal elements — primary color, straight line, right angle — the artist expresses a pure, objective harmony that should extend from painting into architecture and the whole environment.
A small international network coordinated largely through van Doesburg's journal and energy rather than a shared place, prone to doctrinal splits over seemingly small formal principles that carried great spiritual weight.
Its grammar of primary colors and rectilinear abstraction shaped the Bauhaus, the International Style, modern graphic design, and minimalism — one of the most influential visual languages of the century.
A journal and a doctrine turning a handful of dispersed artists into a coherent international movement with an outsized formal legacy.
Ended with van Doesburg's death, but its forms were absorbed so completely into modern design that they became invisible — universal grammar.
Coded from public web sources (Wikipedia-led); not yet independently verified. Image credited above is public domain via Wikimedia Commons.