# Geometry

## Geometry at vismath

### Book: Zome Geometry

A helpful book for all Zometool builders! More than 60 excercises, challenges and ideas brought together in 25 chapters. Expand your Zometool-Horizon with this hands-on learning book. Suitable for use in the classroom.

Written by mathematician George W. Hart and teacher Henri Picciotto this books combines mathematics with innovative and realizable teaching concepts.

### Block Builders

Visualize, conceptualize, and realize the world of architecture. “Block Builders” enables endless building and perpetual design. There are six hinged blocks which can be folded and unfolded to create architectural designs.

For Kids: 5 – 12

### Hexactly

Hexagons are simple structures, and they can be found in nature quite a lot: Snowflakes, honeycombs, turtle shells – they all come in the shape of hexagons. That's why “Hexactly” is all about exploring this special shape. Suitable for Kids aged 3+.

### Reptangles

These “Reptangles” turtles are building blocks for geometric constructions. They snap together and form the most amazing polyhedra. Two turtles can connect in more than 100 ways! Discover symmetry, rotations, and reflections. A full color booklet is included and gives more hints and guidance for more geometric exploration.

For everyone from 6 – 99!

### Film: Clouds are not Spheres

This film tells the story of the life and work of Benoit Mandelbrot. A great innovator and discoverer of the Mandelbrot set and fractal geometry, Mandelbrot is a highly respected mathematician. Here, he tells his story about finding fractals and creating a new way of geometry.

### Film: Flatland

Set in a world of only two dimensions inhabited by sentient geometrical shapes, the story follows Arthur Square and his ever-curious granddaughter Hex. When a mysterious visitor arrives from Spaceland, Arthur and Hex must come to terms with the truth of the third dimension, risking dire consequences from the evil Circles that have ruled Flatland for a thousand years.

### Film: Hotel Hilbert

It seems like a normal day for Fiona Knight when she is on the look out for a hotel room for tonight. But when she enters “Infinit Hotel” her night gets anything but normal. First off, the hotel manager tells her that every room is taken – just to declare that there will be enough free rooms for every new guest in the same breath...

### Film: MESH

This animated feature film takes you on a ride into the world of discretization and its history. Nine entertaining chapters take you on a ride through the development of discrete geometry and its everyday applications.

Besides explaining these methods, “MESH” itself was created using modern computer graphic.

### Film: The Colours of Infinity

Arthur C. Clarke takes us into the world of fractals. We learn about their discovery, their fascinating properties, and about the people who use them. Fractals have been discovered in the 1980s by Benoît Mandelbrot who is also interviewed in this movie.

### Film: The Penrose Tessellation

Watch this film (16 min.) online for free.

### Polygons in Gift Packaging

ITSPHUN in a great gift packaging: The ITSPHUN polygons can be transformed into various 3D shapes. The colorful pieces encourage builders to create their own shapes. The simple and clever design of ITSPHUN makes it easy to put the polygons togehter.

In this version, the dodecahedron packaging of these polygon pieces is also made from ITSPHUN-pieces.

Total number of pieces: 120

### Papercraft Model: Set “Discrete Minimal Surfaces”

This set contains three patterns for discrete minimal surfaces. They are surfaces of minimal area which occur naturally, for example in soap bubbles. There are different ways to define minimality but in some sense each of these surfaces is minimal.

### Papercraft Model: Set “Easy-Peasy”

This set of paper craft patterns contains five geometric forms which can be crafted with very little effort. This set is managable for children aged 5 and older.

Our paper craft patterns are high-quality color prints on 120g high-white ecofriendly paper.

### Multi Corner-Mirror

Use this multi-corner-mirror to do additional work with the Pattern Blocks. This multi-corner-mirror contains of two separate mirrors and a qooden board where they can be inserted to form a 90° angle.

### Plastic Pattern Blocks

Pattern Blocks are a set of geometric shapes made up from the same angles and measures so that they fit perfectly together. This set contains 250 pieces of plastic Pattern Blocks, 5 mm thick.

### Triangular Frame

These frames are a perfect addition for all Pattern Blocks: A triangular frame to work with the geometric shapes.

Fill the triangle and use it to create symmetric shapes and patterns.

### Wooden Pattern Blocks (250 pieces)

Pattern Blocks are a set of six geometric shapes constructed with uniform angles and sides, so that they fit together perfectly. This set contains 250 pieces of wooden Pattern Blocks, 10 mm thick.

Children can use Pattern Blocks to playfully learn about shapes, geometry and symmetry.

### Zometool: Creator 1

This is the kit to get started with Zometool. The colored instructions explain the structural properties of different geometries. With this kit you can experience a multitude of geometrical solids and their relations on different levels of difficulty. Show your kids with this construction kit how manifold and exciting geometry can be.

### Zometool: Green Lines

With the green struts, which were introduced to the Zometool universe at a later date, you can now build accurate octahedrons and tetrahedrons. These struts end with pentagons and thus belong in the same openings of the Zometool node as the red struts. Learn more...