The objective was to create a curtain in order to provide the housewife with privacy. As a reliable and durable material, frosted (acid-washed) glass was selected. Glass not only blocks vision from outside, but also allows the desired, diffused light to enter the interior space. The user can remotely control the angle of the glass blades to adjust the view and light. The whole system consists of around 800 parts, many of which have been designed and manufactured using high-precision industrial techniques. Moving parts including motor, gears, joints, etc. have been put under a detachable cover.