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Drawing a Square in One Point Perspective

Perspective study of a method for drawing a correctly proportioned square in one point perspective. The regular square ACDE is projected onto a target perspective square parallel to the horizon plane. Dragging point A and point C respectively repositions and changes the source square's size. Moving point B adjust the target square's height above or below the horizon. By right clicking the target square, setting trace, and manipulating the height, position and size controls, you can create a groovy 3d composition with a variety of architectural towers at different apparent distances from the viewer. Source Credit: Art Studio Chalkboard. 'Plotting a Perfect Square in 1-Point Perspective'. .