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Creation of Seamless Symmetric Patterns
Computer simulation of complex dynamical system is used to create seamless symmetric patterns
Creative Constructionist Collage Making
Have you wondered how you can make a collage? I've provided you with a kit, soup to nuts, to make a beautiful collage without using messy glue or tape. I'll also share directions so you can share this.
Crocheting Hyperbolic Regular Octagon and Pair of Pants
Giving a little history and step by step instructions on how to crochet regular hyperbolic octagon with 45-degree angles.
Digits of Pi DVD
A DVD of the 3 m 14 s long film Digits of Pi
Dragon Riders Puzzle Postcard
A postcard with a puzzle on it - how to make the two riders ride their dragons the right way up?
Echidnahedron Puzzle
This is a 12-piece puzzle assembling to form the final stellation of the regular icosahedron, a spiky shape also known as the echidnahedron.
Elevating Tessellations into Three Dimensions: Approximating Geodesic Domes
Elevating tessellations to act as nets for geodesic domes have many applications in structural engineering, math, and synthetic biology. In this paper I describe a net and a 3D version of a heptagon-containing polyhedra, as well as sphericity…
Four Paper Projects
My gift has four cardstock patterns for you to assemble at home: band trefoil, stella octangula, excavated dodecahedron and the fourteenth stellation of icosahedron. I'll bring a printout or cutout copy of the first three projects as well.
Fractal Imaginary Cubes
An imaginary cube is an object that has square projections in three orthogonal ways just as a cube. These 3D-printed objects -- the Sherpinski tetrahedron, T-Fractal and H-Fractal -- are examples of fractal imaginary cubes. Specifically, the…
G4G13 Clock Face
A clock face showing the logo for G4Gn at the nth hour, for n=5-12, and the G4G13 logo in the center, and miscellaneous MG items for hours1-4.
G4G13 Logo Design
This configuration of thirteen sets of concentric circles grows out of an ancient tradition of visual alchemy. The faculties of imagination and intuition are employed as guides in the discovery of new and meaningful relationships between geometric…
Geometry in Five-Dimensions: Building Quasicrystals from Penrose Tiling
No-one really knows what quasicrystals look like. But we do know, from the diffraction patterns of X-ray crystallography, that they bear a resemblance to Penrose tiling. By combining artistic exploration with mathematical insight into the…
Global Maps - Past and Future
Two Lenticular cards from Germany - one shows Pangea the last supercontinent 300 million years ago, and the second card shows the map of the globe in the next Heat Age when all the ice melts. This may result in a net gain in land!
Golden Magic
My artwork, 'Golden Magic', especially created for G4G13 conference is dedicated to four remarkable men: Martin Gardner, Raymond M. Smullyan, Tom Rogers, and Al Seckel. Rich in golden mean proportions the composition consists of 13 elements placed…
Hand of Art Stickers
Two removeable vinyl stickers of the artist's hand.
Hiding in Plain Sight: Secret Messages in Vyshyvanka Embroidery
Vyshyvanka is an embroidered Ukrainian shirt. Each region has its own traditions for vyshyvanka colors and designs. The artists who cross-stitch their vyshyvankas often hide names or inspirational messages in their creations. The paper will invite…
How to Put This Design on an Egg
I have made a full-color, two-sided instruction sheet on how to draw the attached design on an egg, along with a laminated picture of one of my eggs that has adhesive on the back to become a sticker.
Infinity Cube
A very small infinity cube with acrylic 2-way mirrors on the inside, with a hole for inserting a light source. Comes as a kit: 6 laser cut squares with finger joints and a small keychain light.
Inspiration Cloth
Microfiber cloth (6" x 7") Useful and Inspirational Microfiber cloth (blue front, gray background with red and orange depiction of the Coronavirus).
Blachman-Nancy-GiftExchange-InspirationCloth-G4G15 1-29-2024 Please use the most recent PDF and not…
Blachman-Nancy-GiftExchange-InspirationCloth-G4G15 1-29-2024 Please use the most recent PDF and not…
Introducing the MESMOID
The MESMOID is a right circular cylinder with an eccentric circle cut out of it. Because of its design, it can act like a rolling pendulum. Unlike a coin or wheel, when rolled it moves back and forth instead of in one direction only.
It is a…
It is a…
Introduction to the Snapology Technique - Icosahedron
Introduction to the Snapology technique by way of making an icosahedron. Ribbons and clips will be provided.