The Beauty of Turtle Graphics – An illustrated Introduction

About the Book | Preface & Content | How to order the Book

Here you will find the links to the programs with which the graphics in the book The Beauty of Turtle Graphics can be reproduced. Since the code is accessible, you can change all parameters and you can also change the code! In most cases, the programs can be controlled with sliders. Recommended browser: Chrome!

Clicking on a link opens a browser window with the respective project in the Snap!-environment:

• simple line graphics, stars & snakes, arrows
• nested squares, diamonds
• Square applications: Hermann-Hering grid, scintillating grid
• Square applications: flags, spiders, swirls
• Rectangles, parallelograms: parallelogramrosette, spatial effect through colors
• random: homage à Nees cornerlines, homage à Franke squares, homage à Nees gravel
• Polygons: nested polygons, Necker-Cube, polygon patterns, doubled polygons, islamic pattern, squiggle, squaggle, squoggle & design
• Circles: concentric circles, stacked circles, homage à Calder, homage à Delaunay Rhythms
• Arcs: concentric arcs, shifted arcs, flowers, waves, homage à Nees Arcs, homage à Sykora Lines
• Spirals, recursive spirals, dot spirals, arrow lgeometry
• Recursive trees
• Combination of known things: lines on circles, squares on circles, homage à Riley Blaze, polygon combinations, circle combinations, recursive triangles, recursive polygons, Peano, Koch, recursive polygon combinations, recursive circles
• Supersigns: three corners, diagonal lines, triangles, Escher-triangles, bars, arcs
• Moiré: points, lines, squares & circles, homage à Biasi, homage à Oxenaar
• stamp images: homage à Mohr, ehrenstein illusion, homage à LeParc Rotations, -LeParc Dots, homage à Rickards, stacked rectangles, stacked arcs, flower carpet