Squintin‘, lookin‘, doin‘.

Projects in digital fabrication, 3D design, and making.

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12 Jan 2016 | self-Amos, DIY, Go

A quick update with a small project I put together. I like to casually play Go, and I fell in love with the wooden board and glass stones that my friend had at his apartment. I ran across a thick butchers-block style table left on the curb, and decided to make it into a Goban. The expensive boards are wonderful because of their weight and feel.


I used a laser engraver to make the lines, once I had sanded the wood as much as I wanted to. It’s a 15x15 board, which is not standard. Most Goban are 19x19. However, there is historical precedent for 15x15 boards, centuries ago in China. The wood grain is a little dark, but it’s definitely functional and (I think) a pleasure to play on. It makes a very satisfying sound when a piece is played.


The stones are flat-bottomed glass vase beads. They aren’t totally consistently circular, some are more oblong. I think the clear ones look like droplets of water.

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A Minimal Mendel, Postmortem

The Prusa i2 design of 3D printer I had built with my friend Eric in 2013 was a great little 3D printer that can be built with parts from the hardware store, but I felt that the design compromised too much. The triangular prism shaped frame of the i2 meant that it was extremely difficult to make the machine perfectly square on all three axes. The Z axis was also over-constrained, which was a fundamental flaw in the design that made any eccentricity in the Z drive screws apparent as small ridges on prints. There are a huge number of 3D printer designs out there; RepRaps and all the variations on that principle. I wanted a machine that would use the costly parts from my Prusa i2, and transfer them to a simpler, stronger frame, while solving a number of other problems I found with the i2.


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