{"product_id":"diagonal-planes-frantisek-kupka","title":"Diagonal Planes - František Kupka","description":"\u003cp\u003eA geometric abstract composition by František Kupka, featuring rhythmic black bands and layered green planes that explore spatial depth and visual movement.\u003c\/p\u003e\n    \u003cp\u003eFrantišek Kupka, a pioneer of abstract art, produced Diagonal Planes during a period of intense experimentation with geometric form and spatial perception. This work demonstrates his move away from representational subjects toward a language of pure structure. The composition relies on the interplay of rigid, dark vertical elements and a series of receding green planes, which create a sense of architectural depth without referencing specific physical objects.\n\nKupka was deeply interested in the mechanics of vision and the way the human eye processes movement across a surface. In this painting, the sharp, white-outlined black bands act as conduits for the viewer's gaze, pulling the eye through the frame in a rhythmic, almost mechanical fashion. The use of a restricted green palette allows the focus to remain entirely on the geometry of the forms rather than on atmospheric effects or narrative content. The textured application of paint provides a tactile quality to the otherwise stark, mathematical arrangement of shapes.\n\nBy the 1920s, Kupka had moved past his earlier, more fluid experiments with colour, adopting a more disciplined approach to composition. Diagonal Planes reflects this shift, showing a preference for clarity and order. The work functions as a study in spatial tension, where the overlapping planes suggest a three-dimensional environment that remains firmly anchored to the two-dimensional surface of the canvas. It is a precise example of how early twentieth-century abstraction sought to define a new reality through the arrangement of line, plane, and colour, independent of the external world.\u003c\/p\u003e\n\u003cdiv style=\"margin-top:2rem;padding-top:1.5rem;border-top:1px solid #e5e5e5;\"\u003e\n\u003cp style=\"font-size:0.85rem;color:#888;font-weight:600;margin:0 0 0.75rem;text-transform:uppercase;letter-spacing:0.05em;\"\u003eYou might also like\u003c\/p\u003e\n\u003cdiv style=\"display:flex;flex-wrap:wrap;gap:0.5rem;\"\u003e\n\u003ca href=\"\/products\/glass-and-checkerboard-juan-gris\" style=\"display:inline-block;background:#f8f9fa;border:1px solid #e5e5e5;border-radius:20px;padding:0.35rem 0.85rem;font-size:0.8rem;color:#2a555a;font-weight:500;text-decoration:none !important;background-image:none !important;\"\u003eGlass and Checkerboard - Juan Gris — Juan Gris\u003c\/a\u003e\n\u003ca href=\"\/products\/cubist-composition-auguste-herbin\" style=\"display:inline-block;background:#f8f9fa;border:1px solid #e5e5e5;border-radius:20px;padding:0.35rem 0.85rem;font-size:0.8rem;color:#2a555a;font-weight:500;text-decoration:none !important;background-image:none !important;\"\u003eCubist Composition - Auguste Herbin — Auguste Herbin\u003c\/a\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"František Kupka","offers":[{"title":"Fine Art Poster \/ A4 (21x29.7 cm) \/ -","offer_id":57996925337935,"sku":null,"price":28.0,"currency_code":"GBP","in_stock":true},{"title":"Fine Art Poster \/ A3 (29.7 x 42  cm) \/ -","offer_id":57996926943567,"sku":null,"price":35.0,"currency_code":"GBP","in_stock":true},{"title":"Fine Art Poster \/ A2 (42 x 59.4  cm) \/ -","offer_id":57996926976335,"sku":null,"price":45.0,"currency_code":"GBP","in_stock":true},{"title":"Fine Art Poster \/ B2 (50x70 cm) \/ -","offer_id":57996927009103,"sku":null,"price":50.0,"currency_code":"GBP","in_stock":true},{"title":"Fine Art Poster \/ A1 (59.4 x 84.1  cm) \/ -","offer_id":57996927041871,"sku":null,"price":55.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0833\/9292\/1935\/files\/Diagonal-Planes_Poster_CompositorV1_1782000607588.jpg?v=1782000755","url":"https:\/\/www.solisprints.co.uk\/products\/diagonal-planes-frantisek-kupka","provider":"Solis Prints","version":"1.0","type":"link"}