Hello everyone, hope you like it 
I did not find this design on the Internet
theory: http://fotki.yandex.ru/users/nt2009-12/album/233369/?p=0
working model: http://youtu.be/s7e_rgKiwbA
I did not find this design on the Internet
theory: http://fotki.yandex.ru/users/nt2009-12/album/233369/?p=0
working model: http://youtu.be/s7e_rgKiwbA