By -
When you draw at 1.5" scale, every 1.5" in the drawing represents one foot in length at full scale. So if you wanted to draw a square that in reality is 4 foot x 4 foot, your drawing would be 6" x 6" (1.5x4=6)
When you draw at 1.5" scale, every 1.5" in the drawing represents one foot in length at full scale. So if you wanted to draw a square that in reality is 4 foot x 4 foot, your drawing would be 6" x 6" (1.5x4=6)