ATRACTOR

3D Kaleidoscopes

About Friezes, for teaching Mathematics

Closing the cube kaleidoscope

Digital maze - game

DVD Symmetry - the dynamical way

Flash application: symmetries of a frieze

Kaleidoscope of the Tetrahedron

Labirintos Digitais - Gazeta de Matemática, 195/2021 (in Portuguese)

Recuperação Matemática do Património, Gazeta de Matemática, 11/2013 (in Portuguese)

Simetria de uma figura plana (in Portuguese)

Simetria: uso do programa GeCla como ferramenta didática (in Portuguese)

Stamping a frieze - the cylinder

Stamping a frieze - the Moebius band

Stamping a rosette

Stamping patterns

Stamping the plane 1

Stamping the plane 2

Stamping the plane 3

Stamping the plane 4

Symmetry

The friezes

The reflections

The symmetries of the cube

What is a symmetric image?

Actividade: À descoberta de simetrias (in Portuguese)

Actividade: Matemática e Origami (in Portuguese)

AtrMini

Concerning the five regular polyhedra

GeCla

GeCla Mini

KaleidoTile

Matemática Viva - Caleidoscópio 2D cilíndrico (in Portuguese)

Matemática Viva - Caleidoscópio Iluminado (in Portuguese)

Matemática Viva - Caleidoscópio Octante (in Portuguese)

Matemática Viva - Gaiola Prismática (in Portuguese)

Mathematical Images

O programa GeClaMini, Jornal das Primeiras Matemáticas, 2019 (in Portuguese)

Proceedings of Bridges Conference in 2011: Plenary Conference: Good Stamps for Wallpaper Patterns

The 17 crystallographic groups

The five regular polyhedra