Page 37 - Yoshihito Isogawa - The LEGO MINDSTORMS EV3 Idea Book_ 181 Simple Machines and Clever Contraptions-No Starch Press (2014)
P. 37

#42



                                                                                 3                  5
                                                                                       ×3




                                  ×2                    ×2                    ×2            ×2





















                                            4:4 = 1:1




         #43



                                                                     3               5                  ×2


























                                   12:12 = 1:1





         28

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