Jansen linkage ready to assemble

Back by popular demand (you know who you are)... another Jansen linkage, in a shiny Makerbot friendly edition (some assembly required, your mileage may vary, multiple prints required).

This one uses TBuser's pin library v2. I added the file for convenience but its origin is http://www.thingiverse.com/thing:10541.

The pins break too easily, even when the linkage is big (and that's why its still a thing in progress). I toyed with different pin designs without success. Then I started using