Gear Clock  
        
3Dプリンターで作った振り子時計
                 BASE
               
HIIRAGI3D 

https://www.youtube.com/watch?v=25-NRtVJrg0
https://www.youtube.com/watch?v=_GxKIduFkbw
https://www.youtube.com/watch?v=25-NRtVJrg0
https://www.youtube.com/watch?v=IqmBm6vb8kY
https://www.youtube.com/watch?v=bi6KRZK3QNE