レゴでマングルラック機構を作る

I made a mangle rack mechanism and its applications using LEGO bricks. Please watch with subtitles. References: The model (0:51) was made based on a “mangle-rack”: Brown, H. T. 2005. “507 mechanical movements” No. 197, Dover Publications, Inc. Mineola, New York, ISBN978-0-486-44360-7