About this 3D model

Chain chain system continued. https://www.youtube.com/watch?v=Y8PybwACHfw&feature=youtu.be it works well despite there is no tensioner and small rollers on chain. As always, the sprocket system works well with the sprockets vertically. The chain 1 support 1 large sprocket 1 small sprocket 1 small clip 1 large clip 2 chain link2 4 removable link I add these two files.