Author: Mike Garrity



Yesterday Tom & I towed the Westfield over to the State Police office in Revere. We came home with a “Massachusetts-assigned Vehicle Identification Number”. That means that in the eyes of the state, it...



One of the trickier bits of the Westfield is that the Miata engine is quite a bit taller than the one that was originally used in the Lotus 7. That’s a problem if you...

Fuse 1 Tested

Sean Charlesworth from Tested stopped by the office this weekend. He made this cool video about our newest printer, the Fuse 1. Check it out, he and Eduardo did a great job of showing...



The snow is finally gone, and the daffodils are out. Time to get the car out and wash the winter dust off.


Bonnie Stewart Building Blocks

As you know, I’m really into polyhedra. There have been lots of fascinating books written about polyhedra over the years, but one of the most interesting (and quirky) ones is Bonnie Stewart’s Adventures among...


Vacuum Pump

One tool I haven’t owned is a vacuum pump. That’s because good vacuum pumps are expensive, and cheap vacuum pumps are – well – they’re not good vacuum pumps. So I finally decided to...


Császár Polyhedron

Here’s another interesting polyhedron. It is called the Császár polyhedron. It’s famous because it shares an interesting property with the tetrahedron. Neither of these have any diagonals! If you imagine a tetrahedron (or hold...


Kepler’s Rhombic Polyhedra

Johannes Kepler was an interesting character. He was interested in a lot more than just astronomy. He’s famous among aficionados of polyhedra for organizing all of the new ones that Renaissance artists Wenzel Jamnitzer...