About this 3D model

New small crank handle double linkage. https://www.youtube.com/watch?v=SL6_aMB3G1g&feature=youtu.be Utopian system, but to see if it works. Pay attention to the mounting of the crankshafts and the angular offset, see pictures. Well check the adjustments, the system, to function properly requires a fairly high precision. I made a base for presentation and maintenance. take directly gcode files or stl files with scale1 / 10 th