A few months ago, this column showed a cut-and-fold paper version of Escher’s Relativity. Here’s a new version, made of nylon by selective laser sintering on a 3D printing machine....
Posted by Sean Michael Ragan | Monday September 19th, 2011 12:26 PM
Categories: 3D Printing, Art & Design, Science | 2 Comments
A few weeks ago this column showed an assortment of small geometric structures made from beads by Horibe Kazunori. Well, anything which is cool at hold-in-your-hand size becomes extra cool...
Posted by Gareth Branwyn | Monday September 12th, 2011 12:00 PM
Categories: Craft, Science | 9 Comments
Eli Sohl created a blog called Math Candy, which shows mathematical ideas in the form of candy. Here's an illustration of how to approximate the area under a sine curve...
Posted by Gareth Branwyn | Monday August 29th, 2011 12:00 PM
Categories: Craft, Science | 3 Comments
By George Hart for the Museum of Mathematics We looked at playing card constructions before in this column, but this one by Nick Sayers is impressively intricate. The 270 playing...
Posted by Gareth Branwyn | Monday August 15th, 2011 12:00 PM
Categories: Fun & Games, Science | 2 Comments
The diameters of US quarters and pennies are very close to the ratio needed to make a truncated icosahedron, i.e., a soccer ball in the US or a football elsewhere....
Posted by Gareth Branwyn | Monday August 8th, 2011 12:00 PM
Categories: Craft, Science | 24 Comments
By George Hart for the Museum of Mathematics Here is a wide variety of mathematical beadwork structures by Horibe Kazunori. Looking closely at one example, you can see how the...
Posted by Gareth Branwyn | Monday August 1st, 2011 12:00 PM
If you want to make a screw of wood, the first tool you would think of is a lathe. But you can also make a screw on a scroll saw....
Posted by Gareth Branwyn | Monday July 25th, 2011 12:00 PM
Categories: Science, Woodworking | 2 Comments
By folding a pleat in piece of fabric, you make one layer into three layers. By choosing the width and direction of many pleats, you can make geometric patterns. Chris...
Posted by Gareth Branwyn | Monday July 18th, 2011 12:00 PM
Categories: Craft, Science | 2 Comments
Nick Sayers enjoys making geometric constructions from unusual materials. Here's an organic-looking sculpture he made from 630 coffee stirrers, with "blobs" protruding in the twelve directions of a dodecahedron's faces.
Posted by Gareth Branwyn | Monday July 11th, 2011 12:00 PM
Categories: Science | No Comments
A sphericon is a shape that you get by: (1) rotating a symmetric polygon about a mirror axis to get a solid of revolution, (2) cutting the solid into two...
Posted by Gareth Branwyn | Monday June 27th, 2011 12:00 PM
Categories: 3D Printing, Science | 1 Comment
By George Hart for the Museum of Mathematics If you knit, here’s a stuffed, dodecahedral thing—I don’t know quite what to call it—a toy, a pillow, a mathematical model? The...
Posted by Becky Stern | Monday June 20th, 2011 12:00 PM
Categories: Craft | 2 Comments
If you are a cabinet maker, geometry is essential to all the lengths and angles that you calculate. The cabinet shown here goes further and presents the solution to a...
Posted by Gareth Branwyn | Monday June 13th, 2011 12:00 PM
Categories: Furniture, Science, Woodworking | 5 Comments
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