LEGO GBC Flow through the fans

A very simple module taking advantage of 2 elements: Propeller https://brickset.com/parts/6362556 Ring https://brickset.com/parts/6335786/circle-beam-11x11-w-cross-hole-no-1 You may find interesting how I attached the propeller to an axle: here comes https://brickset.com/parts/design-27940 very handy. I also wanted to keep the fans transparent, so I needed https://brickset.com/parts/6288587/brick-1x4x3-outside-half-bow-no-1 . The tower, which allows balls to descend, is using some forbidden techniques: some elements are under pressure to achieve the 1/4 circle turning platforms. But it works well and gives a nice way to go down. Thank you for watching!

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