Sunday, August 17, 2014

Day 356 - Sunday guest: Fred Hohman and knot fibrations, part 2

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Today we continue Fred Hohman 's guest post from Day 355 , in which he will print the knot fibrations he constructed yesterday... Now ...
Saturday, August 16, 2014

Day 355 - Saturday guest: Fred Hohman and knot fibrations, part 1

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One thing about living in New York City is that you get a lot of guests. Lots of people come to the city and hotels are too expensive even t...
Friday, August 15, 2014

Day 354 - Forty-one Pentagonal Icositetrahedra

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Today (August 15) I had the great pleasure and honor of attending the final convocation for the 2014 NYU GSTEM program. At this event, 41 y...
Thursday, August 14, 2014

Day 353 - Customizable hinge/snap Tetrahedron net

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Today we modified  Day 344 's Cube net design to make a Tetrahedron net: Here it is mostly folded up. This net is so small that it...
Wednesday, August 13, 2014

Day 352 - Center of mass demonstration

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Today we printed designbynumbers' Center of mass manipulatives for calculus classes  from Thingiverse. It worked very well and balanced ...
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Tuesday, August 12, 2014

Day 351 - Impossible Menger Burr

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After richgain 's excellent guest posts walking us through Burr Tools on  Day 348 and  Day 349 , we couldn't resist giving it a tr...
Monday, August 11, 2014

Day 350 - Triple Bubbles

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When three bubbles intersect, they do so in a very specific way. Here's what it looks like: Using the OpenSCAD code for this design...
Sunday, August 10, 2014

Day 349 - Sunday guest: Rich Gain and Printable Puzzles, part 2

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This is the second in a pair of guest posts by Richard Gain ( richgain on Thingiverse), designer and printer of 3D burr puzzles. For richga...
Saturday, August 9, 2014

Day 348 - Saturday guest: Rich Gain and Printable Puzzles, part 1

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Today's post is contributed by Richard Gain ( richgain on Thingiverse), designer of the nicely-constructed puzzles from  Day 324  and D...