Modern and Contemporary Art Concrete Art Niemeyer, Jo 7 works. In: From Square to Triangle. 2005. Each a colour silkscreen print on vellum. Sheet dimensions: 36.5 x 30 cm each. 6 of the sheets are signed and numbered. - Each in exceptionally clean and good condition. Magnificent, sharply contoured prints with rich, vibrant colours. One of 90 copies. - Movement and transformation form the conceptual basis of this portfolio: following a geometric principle, the sheets are constructed in such a way that a square can be transformed into an equilateral triangle. Each is a colour silkscreen print on laid paper. Sheet dimensions: Six of the sheets are signed and numbered. - Each in exceptionally clean and good condition. Magnificent, sharply defined prints with rich, vibrant colours. - One of 90 copies. - Movement and transformation form the conceptual basis of this portfolio: following a geometric principle, the sheets are designed in such a way that a square can be transformed into an equilateral triangle.