PaperPino Alert! Sun, 27 Oct 2013 paperpinoyoutube Description Long-time friend of the website PaperPino is back! He has this fantastic new model. Check out his website for fascinating information about the ingenious mechanism at the heart of this model as well as free download of the parts. Nice to have you back PaperPino! Comments (1) michael42er October 28, 2013 at 4:53 pm A beautiful sophisticated A beautiful sophisticated model. Very interesting is the inclusion of the variation of the Cartwright-mechanism. Comments are closed.