Quote
nicholas.seward
Fork joints are superior. (Assuming that the fins of the forks are thick enough.) I have been considering going that direction. It has a nice side benefit of making the longest part only 125mm (from the model below) for a printer that has a 225mm print diameter. That means you can make a 1.8X LISA on a forked LISA. (If optimization of the macrocreation factor is desired you can even do better than that. I came up with 2.2X with just a little playing around.)
Pretty cool you can shorten the main part of the arm, that allows the smaller printers to replicate a bigger printer, i.e. Lisa.
And by increasing the length of the double shear joint, you can further increase the overall length (tu)