GeomeTricks Series: Chapter Details This page describes the contents of each GeomeTricks
book in detail, including pictures and videos of models created in
each chapter. 
Chapter 1: Mirror Symmetry This chapter will explain how to copy objects
over lines of symmetry, using the Move, Rotate, and Scale tools. 

Chapter 2: Rotational Symmetry This chapter starts off with squares, and
divides them into smaller squares to make pinwheel patterns. A lot of
scaling is used here. 

Chapter 3: More Rotating Patterns This chapter explains how you can shrink or grow a
polygon, and add overlappng shapes, to make neatlooking spiral and
rotated patterns. 

Chapter 1: Spiral Patterns In the first chapter, you'll create increasingly
smaller polygons, and paint them in spiral patterns. 

Chapter 2: Animating Spirals In this chapter, you'll learn how to use layers, groups, and scenes to animate your spirals, making them look like they're spinning. Play the movie to the right to see what we mean
> 
Chapter 1: Triangle Patterns In the first chapter, you'll make tesselations
with regular and irregular triangles. 

Chapter 2: Quadrilateral Patterns In this chapter, you'll make tesselations with
regular and irregular quadrilaterals. 

Chapter 3: Hexagon Patterns In this chapter, you'll see the one and only way you can tile regular hexagons. 

Chapter 4: Patterns with Holes In this chapter, you'll see what happens when you copy polygons so that holes are left between them.

Chapter 1: Making Polygons In the first chapter, you'll create a set of polygons
that have identical edge lengths . 

Chapter 2: Packing a Vertex This chapter shows the various ways you can
arrange polygons to completely fill the space around a vertex.


Chapter 3: SemiRegular Patterns In this chapter you'll learn how to make the eight standard patterns in which each vertex is surrounded by the same polygons. 

Chapter 4: DemiRegular Patterns In this chapter, you'll make patterns for which there can be different arrangments at each vertex. 

Chapter 5: Coloring Mosaics In this chapter, you'll learn a few ways you can change the colors of your patterns: keeping the pattern intact, removing the repeating pattern, and printing a "blank" mosaic for coloring by hand. 
Chapter 1: Making Polygons In the first chapter, you'll create a set of polygons
that have identical edge lengths . 

Chapter 2: Copying a Pattern This chapter shows what you can get when you
start with a semi or demiregular pattern and copy it onto itself.


Chapter 3: Joining Faces In this chapter you'll learn how to modify patterns by removing some edges. 

Chapter 4: Duals In this chapter, you'll learn how to start with one pattern and create a completely different one by drawing lines between center points. 

Chapter 5: Coloring Mosaics In this chapter, you'll learn a few ways you can change the colors of your patterns: keeping the pattern intact, removing the repeating pattern, and printing a "blank" mosaic for coloring by hand. 
Chapter 1: Basic Pentagon Patterns In the first chapter, you'll learn several ways to
create irregular pentagons so that they will tesselate. 

Chapter 2: Round Pentagon Patterns This chapter shows how to arrange irregular
pentagons in circular tilings.


Chapter 3: Pentagons with Some Math This chapter requires a bit of numbercrunching, solving for edge lengths and angles to make pentagons that tile. 

Chapter 4: Hexagons In this chapter, you'll make tesselations with irregular hexagons. 
Chapter 1: Tiling Triangles In this chapter you'll make rotational and
spiral tiling patterns, using isoceles, regular, and scalene
triangles.


Chapter 2: Tiling Polygons In this chapter, you'll learn how to make irregular octagons that form funky rotational and spiral patterns.


Chapter 3: Radial Spiral Tiles This chapter focuses on logarithmic spirals: shapes that maintain the same proportions but get progessively larger in each ring.


Chapter 1: Hirschhorn Tile In the first chapter, you'll learn the math behind
this famous fivesided shape, and learn a few ways to tile it.


Chapter 2: Bent Wedge In this chapter, you'll learn the math behind this ninesided shape, and see how it can tile.


Chapter 3: Voderberg Tile The math for this ninesided tile is a little complex, requiring some creative geometric thinking. Once you create it, you can make fantastic rotational and spiral patterns. 

Chapter 1: Kepler Tiles In the first chapter, you'll learn how to make some of Kepler's famous patterns, based on regular pentagons and decagons. 

Chapter 2: Penrose Rhombs
In this chapter you'll learn the math behind
Penrose's famous "fat" and "skinny" rhombs, and see how to embelish these
two tiles for an infinite variety of starbased patterns. 

Chapter 3: Penrose Kites and Darts In this chapter you'll learn the interesting math behind Penrose's "kite" and "dart" tiles. These tiles are embellished with arcs, and together they can create wonderful rotational tilings. 

Geometricks Fractals Creating RepTiles and
Fractals, using SketchUp Make 2014 84 pages (5.5" x 8'.5"
printed book) 
Chapter 1: RepTiles In the first chapter, you'll learn the math behind several types of tiles, that, when repeated, form larger versions of themselves. 

Chapter 2: Fractal Tiles In this chapter, you'll start with simple shapes, and copy them to form
larger, tiling shapes that interlock like jigsaw puzzle pieces. 

Chapter 3: Sierpinksy Triangle In this chapter you'll learn how to take a regular triangle and repeat it in increasingly larger reptiles, forming an infinite star. 

Chapter 4: Pythagorean Trees In this chapter you'll use the relationships between angles of a right triangle to make trees with increasingly smaller branches. 

Geometricks Fractals Creating Stars, Mosaics, and
Animation, using SketchUp Make 2014 52 pages (5.5" x
8'.5" printed book) 
Chapter 1: Fractals from Stars In the first chapter, you'll start with a simple triangle, and rotatecopy it to make increasingly larger fractal stars . 

Chapter 2: Fractal Mosaics In this chapter, you'll take the stars from Chapter 1
and make mosaic patterns with them. 

Chapter 3: Animating Star Fractals In this chapter, you'll start out with two very different stars, and create their fractals. After using scenes and layers to animate them, you'll see the stars start to look more and more similar. Play the movie to the right to see the fractal animation >


Chapter 1: Cube In the first chapter, you'll learn a few different ways to create a cube. You'll also learn how to change a cube to get some of the simple Archimedean solids, see how a cube can be divided into pyramids, plus get a quick look at duals.


Chapter 2: Octahedron In this chapter, you'll learn several ways to create
an octahedron, and use it to create some more Archimedean solids. You'll
also explore the relationship between the 3D octahedron and the 2D
hexagon, and build an octahedron compound. 

Chapter 3: Tetrahedron In this chapter you'll learn how to create tetrahedrons, and explore the relationship between tetrahedrons and octahedrons. 

Chapter 1: What's a Golden Rectangle? In the first chapter, you'll learn the math behind this famed shape. You'll also learn just how often you see this shape in nature, product design, and architecture. 

Chapter 2: Icosahedron In this chapter, you'll learn how to start with
just one golden rectangle and use it to build an icosahedron 
a Platonic solid with 20 triangular sides. You'll also see how to create some Archimedean solids
from the icosahedron, and how to find the icosahedron's dual. 

Chapter 3: Dodecahedron In this chapter you'll learn how to create a "golden 2" rectangle, and use it to make a dodecahedron. You'll also get some ideas for ways to modify your dodecahedron into some coollooking objects. 

Chapter 4: Compounds and Similar Objects In this chapter you'll take what you learned about icosahedrons and dodecahedrons, and make some interesting solid compounds. You'll also see ways to create similar objects, by copying 2D objects around other 2D objects, in 3D space. 
