Jean-Paul Riopelle to abstract expressionism), in which he used myriad tumultuous cubes and triangles of multicolored elements, facetted with a palette knife, spatula, or trowel, on often large canvases to create powerful atmospheres. The presence of long filaments of paint in his painting from 1948 through the early 1950s has often been seen as resulting from a dripping technique like that of Jackson Pollock. Rather, the creation of such effects came from the act of throwing, with a palette knife or brush, large quantities of paint onto the stretched canvas (positioned vertically). Riopelle's voluminous impasto became just as important as color. His
Canvas to decide where to leave it and where to fill it and where to say this doesn't need another line or another pail of colors. Its saying it in space." Early canvas was made of linen, a sturdy brownish fabric of considerable strength. Linen is particularly suitable for the use of oil paint. In the early 20th century, cotton canvas, often referred to as "cotton duck," came into use. Linen is composed of higher quality material, and remains popular with many professional artists, especially those who work with oil paint. Cotton duck, which stretches more fully and has an even,