Why did gerrit rietveld use lumber cut in standard size for his red-blue chair?

He had hoped his chair(s) would go on to be mass-produced, not hand-crafted. As a matter of fact, he had hopes that much of his furniture would be mass-produced--he aimed for simplicity in construction. The pieces of wood that comprised the Red Blue Chair were the standard lumber sizes readily available at the time.

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melody. a series of single tones which add up to a recognizable whole is called a what kind of layers of sound are heard melody or harmony. how many layers