Geometric Dissections

Author : Gavin Theobald

• 26th December 2024 - Improved display of strips.
• 23rd December 2024 - Added tessellations from strips page.
• 19th December 2024 - Added completed tessellations page.
• 18th December 2024 - Added anchor points to T strip overlays.
• 16th December 2024 - Replaced dissection of {6} to {9}.
• 13th December 2024 - Added dissection of {4} to {24/2}.
• 10th December 2024 - Improved dissection of {4} to {16/2}.
• 9th December 2024
  • Added dissection of {4} to {16/2}.
  • Added dissection of {5/2} to {12/3}.
• 8th December 2024 - Improved dissection of {5/2} to {8/2}.
• 6th December 2024
  • Added dissection of {6/2} to {12/3}.
  • Improved dissection of {8} to {12/3}.
• 5th December 2024
  • Added dissection of {12/2} to {12/3}.
  • Added dissection of {R_ϕ} to {12/3}.
  • Added dissection of {R₂} to {12/3}.
• 4th December 2024 - Added dissection of {R_√2} to {12/3}.
• 27th November 2024 - Added dissection of {10} to {12/3}.
• 26th November 2024 - Added dissection of {8/3} to {12/3}.
• 25th November 2024
  • Added dodecagram {12/3} page.
  • Added dissection of {7} to {12/3}.
• 24th November 2024 - Added dissection of {5} to {12/3}.
• 23rd November 2024
  • Added dissection of {3} to {12/3}.
  • Improved dissection of {6} to {8/2}.
• 22nd November 2024 - Improved dissection of {6} to {12/3}.
• 21st November 2024 - Added new method pages.
• 20th November 2024
  • Added four way dissection of {3} to {4} to {6} to {8}.
  • Improved four way dissection of {3} to {4} to {8} to {6/2}.
• 18th November 2024 - Improved dissection of {4} to {84}.
• 16th November 2024 - Improved dissection of {4} to {56}.
• 14th November 2024 - Improved dissection of {4} to {48}.
• 13th November 2024 - Improved dissection of {4} to {60}.
• 21st October 2024 - Replaced dissection of {3} to {8/2}.
• 18th October 2024 - Added {10} to n×{10} dissection page.
• 16th October 2024 - Added dissection of {6} to 9×{3}.
• 15th October 2024 - Added {6} to n×{6} dissection page.
• 16th September 2024 - Replaced dissection of {6} to 2×{6}.
• 10th January 2024 - Added {3} to n×{3} and {6} to n×{3} dissection pages.
• 19th December 2023 - Added dissection of {6} to {7/2}.
• 13th December 2023 - Improved dissection of {4} to {9/2}.
• 11th December 2023 - Improved dissection of {10} to {8/2}.
• 4th December 2023 - Improved dissection of {8/2} to {10/2}.
• 30th November 2023 - Improved dissection of {6} to {8/2}.
• 29th November 2023 - Improved dissections of {8/2} to {7}, {6/2}, {8/3} and {L}.
• 2nd October 2023 - Improved dissection of {R_×} to {7/2}.
• 29th September 2023 - Added optimised rectangle dissection page.
• 4th July 2023 - Replaced dissection of {4} to {7/2}.
• 22nd March 2019 - Added dissections of {20} to 2×{20} and {24} to 2×{24}.
• 19th March 2019 - Improved dissection of {4} to {23}.
• 18th March 2019 - Improved dissection of {4} to {29}.
• 15th March 2019 - Added hole dissection of [4] to [13].
• 14th March 2019 - Added hole dissections of [4] to [11] and [4] to [20].
• 9th March 2019
  • Improved dissection of {4} to {27}.
  • Added hole dissection of [4] to [10/2].
• 8th March 2019 - Improved dissection of {4} to {25}.
• 6th march 2019 - Added hole dissections of [4] to [7/3] and [4] to [10/3].
• 5th March 2019 - Added hole dissections of [4] to [16] and [4] to [18].
• 4th March 2019 - Added hole dissection of [4] to [14].
• 1st March 2019 - Improved dissection of {8/2} to {8/3}.
• 22nd February 2019 - Added hole dissection of [4] to [9/3].
• 19th February 2019 - Added hole dissections of [3] to [8/2] and [6] to [8/2].
• 18th February 2019
  • Improved dissection of {R₂} to {8/2}.
  • Improved dissection of {4} to 2×{12/3}.
• 14th February 2019 - Improved dissection of {4} to {12/3}.
• 27th January 2019 - Added hole dissection of [5/2] to [6/2] to [8/3].
• 9th January 2019 - Added hole dissections of [4] to [10/4] and [4] to [12/5].
• 8th January 2019 - Added hole dissections of [4] to [G] and [4] to [L].
• 7th January 2019 - Added hole dissection of [4] to [6] to [8] to [10] to [12].
• 29th January 2019 - Added a multiple hole dissection page.
• 9th January 2019 - Added many more hole dissections.
• 31st December 2018 - Added more hole dissections.
• 26th December 2018 - Added hole dissections.
• 30th November 2018 - Modified dissection of {6} to {14}.
• 29th November 2018 - Added dissection of {6} to {9/2}.
• 2nd November 2018 - Improved dissection of {6} to {14}.
• 25th October 2018 - Added colour option for some dissections.
• 24th October 2018 - Improved dissections of {6} to {12/3}.
• 19th October 2018 - Added dissection of {6} to {12/3}.
• 11th October 2018 - Replaced dissection of {6} to {11}.
• 8th October 2018 - Added dissection of {6} to {20}.
• 5th October 2018 - Added dissections of {3} to {20} and {5} to {20}.
• 3rd October 2018 - Added dissection of {6} to {16}.
• 2nd October 2018 - Added dissections of {3} to {16} and {5} to {16}.
• 1st October 2018 - Improved dissection of {5} to {14}.
• 30th September 2018 - Improved dissection of {3} to {14}.
• 20th September 2018 - Added dissection of {6} to {14}.
• 15th September 2018 - Added hexagon series page.
• 23rd August 2018 - Added dissection of {9} to {18/2}.
• 19th August 2018 - Added dissection of {9} to {R₂}.
• 17th August 2018 - Added dissection of {9} to {R_√2}.
• 3rd August 2018 - Added dissection of {4} to {100}.
• 29th July 2018 - Added dissection of {4} to {90}.
• 28th July 2018 - Added dissection of {4} to {80}.
• 27th July 2018 - Added dissection of {4} to {70}.
• 30th March 2018 - Improved dissection of {4} to {46}.
• 23rd March 2018 - Improved dissections of {4} to {50} and {4} to {60}.
• 22nd March 2018 - Improved dissections of {4} to {48} and {4} to {56}.
• 20th March 2018 - Improved dissections of {4} to {52} and {4} to {54}.
• 19th March 2018 - Improved dissections of {4} to {44} and {4} to {58}.
• 17th March 2018 - Improved dissection of {4} to {42}.
• 15th March 2018 - Replaced dissection of {4} to {36}.
• 14th March 2018 - Improved dissection of {4} to {34}.
• 13th March 2018
  • Replaced dissection of {4} to {36}.
  • Improved dissection of {4} to {40}.
• 10th March 2018 - Improved dissections of {4} to {36} and {4} to {38}.
• 9th March 2018 - Improved dissection of {4} to {34}.
• 8th March 2018 - Improved dissection of {4} to {32}.
• 7th March 2018 - Improved dissection of {4} to {30}.
• 2nd March 2018 - Improved dissections of {4} to {18}, {4} to {26} and {4} to {28}.
• 9th February 2018
  • Improved dissections of {4} to {46} and {4} to {60}.
  • Added dissection of {4} to {58}.
• 8th February 2018 - Added dissection of {4} to {56}.
• 7th February 2018 - Improved dissection of {4} to {50}.
• 7th February 2018 - Added dissection of {4} to {52}.
• 6th February 2018 - Improved dissection of {4} to {54}.
• 5th February 2018 - Improved dissection of {4} to {48}.
• 4th February 2018 - Replaced dissection of {4} to {46}.
• 3rd February 2018
  • Added dissections of {4} to {42}, {4} to {50} and {4} to {60}.
  • Replaced dissections of {4} to {18} and {4} to {20}.
• 2nd February 2018 - Improved dissections of {4} to {54}.
• 1st February 2018 - Improved dissections of {4} to {44} and {4} to {48}.
• 27th January 2018 - Added dissections of silver rectangle and domino.
• 22nd January 2018 - Added dissection of {4} to {48}.
• 18th January 2018 - Added dissection of {4} to {29}.
• 17th January 2018 - Added dissection of {4} to {46}.
• 16th January 2018 - Added dissection of {4} to {44}.
• 15th January 2018 - Added dissection of {4} to {27}.
• 14th January 2018 - Improved dissection of {4} to {18}.
• 12th January 2018
  • Improved dissections of {4} to {14} and {4} to {16}.
  • Added dissection of {4} to {42}.
• 11th January 2018 - Replaced dissections of {4} to {20}, {4} to {22} and {4} to {24}.
• 10th January 2018 - Added dissections of {4} to {38} and {4} to {40}.
• 9th January 2018 - Added dissections of {4} to {23} and {4} to {25}.
• 4th January 2018 - Improved dissection of {4} to {21}.
• 3rd January 2018 - Improved dissection of {4} to {18}.
• 2nd January 2018 - Improved dissection of {4} to {24}.
• 1st January 2018 - Replaced dissections of {4} to {18} and {4} to {24}.
• 30th December 2017 - Improved dissections of {4} to {30}, {4} to {32}, {4} to {34} and {4} to {36}.
• 29th December 2017 - Improved dissections of {4} to {26} and {4} to {28}.
• 28th December 2017 - Improved dissection of {4} to {22}.
• 27th December 2017 - Improved dissection of {4} to {20}.
• 3rd December 2017 - Improved dissection of {4} to {22}.
• 2nd December 2017 - Replaced dissection of {4} to {18}.
• 10th November 2017 - Updated the bibliography to include Frederickson's new book.
• 11th May 2017 - Added another dissection of {4} to augmented square.
• 9th May 2017 - Added more dissections of {4} to truncated and augmented squares.
• 28th April 2017
  • Added dissections of {4} to truncated and augmented squares.
  • Added yet more spherical dissections.
• 14th April 2017 - Added more spherical dissections.
• 13th April 2017 - Added stereographic views of spherical dissections.
• 11th April 2017 - Added yet more spherical dissections.
• 9th April 2017 - Added more spherical dissections.
• 7th April 2017 - Added new spherical dissections.
• 6th March 2017 - Several new surface dissections.
• 19th December 2016 - Added dissections of {4} to {32} and {34}.
• 11th December 2016 - Improved dissection of {4} to {30}.
• 8th December 2016 - Improved dissection of {4} to {28}.
• 5th December 2016 - Improved dissection of {4} to {26}.
• 2nd December 2016 - Improved dissection of {4} to {19}.
• 30th November 2016 - Improved dissection of {4} to {22}.
• 28th November 2016 - Improved dissection of {4} to {24}.
• 26th November 2016 - Improved dissection of {4} to {20}.
• 18th November 2016 - Added dissection of {4} to two {10/4}s.
• 17th November 2016 - Added dissection of {4} to crescent.
• 16th November 2016 - Added dissection of {4} to two {M}s.
• 15th November 2016 - Added dissection of {4} to {M}.
• 14th November 2016 - Added dissection of {4} to two {12/3}s.
• 2nd January 2016 - Added solid dissection of rhombic triacontahedron to cube.
• 13th December 2015 - Improved dissection of {6/2} to {10/2}.
• 26th December 2014 - Added solid dissection of stellated rhombic dodecahedron to rhombic dodecahedron.
• 24th December 2014 - Added solid dissection of stellated rhombic dodecahedron to cube.
• 29th November 2014 - Added dissection of {3} to {4} to {6} to {12}.
• 11th November 2014 - Added dissection of {3} to {7} to {6/2}.
• 8th November 2014 - Added dissection of {3} to {4} to {6} to {6/2}.
• 7th November 2014 - Improved dissection of {3} to {6} to {6/2}.
• 22nd February 2014 - Improved dissection of {6} to {10/2}.
• 20th February 2014 - Improved dissection of {7} to {10/2}.
• 1st February 2014 - Improved dissection of {8} to {10/2}.
• January 2014 - Added new dissections of {4} to polygon and polygram.
• 7th January 2014 - Improved dissection of {4} to {5} to {8}.
• 2nd January 2014 - Improved dissection of {6} to {8}.
• 15th December 2012 - Added dissection of {L} to {L_c}.
• 14th December 2012 - Improved dissection of {4} to two {G_c}s.
• 10th December 2012 - Improved dissection of {L} to {8/2}.
• 9th December 2012 - Added dissection of {4} to two {L_c}s.
• 7th December 2012 - Added dissection of {4} to two {G_c}s.
• 6th December 2012 - Added dissection of {6} to {8}.
• 5th December 2012 - Added dissection of {3} to {8}.
• 1st December 2012 - Added triangle series dissection page.
• 23rd November 2012 - Improved dissection of {4} to {4}+{8}+{12}+{16}.
• 21st November 2012 - Replaced dissections of {8} to {G} and {8} to {L}.
• 20th November 2012 - Improved dissections of {4} to {3}+{4}+{5}+{6}+{7}+{8} and {4}+{5}+{6}+{7}+{8}.
• 19th November 2012 - Improved dissections of {4} to {3}+{8}, {4}+{8}, {6}+{8}, {8}+{10} and {8}+{12}.
• 18th November 2012 - Replaced dissection of {4} to two {8}s.
• 8th October 2012 - Added dissections of {8}, {8/2} and {G} to {12/3}.
• 22th April 2012 - Added dissections of {9} to {10/2}.
• 20th April 2012 - Added dissections of {10/2} to {12/2}.
• 19th April 2012 - Added dissections of {8/2} to {10/2}.
• 10th April 2012 - Added dissections of {5/2} to {10/2}.
• 9th April 2012 - Added dissections of {8/3}, {R_ϕ}, {G} and {L} to {10/2}.
• 6th April 2012 - Added dissections of {12} and {6/2} to {10/2}.
• 5th April 2012 - Added dissection of {7} to {10/2}.
• 4th April 2012 - Added dissection of {8} to {10/2}.
• 30th March 2012 - Added dissection of {6} to {10/2}.
• 28th March 2012 - Improved dissection of {3} to {10/2}.
• 28th October 2011 - Improved dissection of {4} to {6}+{8}+{10}+{12}.
• 17th October 2011 - Improved dissection of {4} to two {11}s.
• 15th October 2011 - Added dissection of {4} to {4}+{8}+{12}+{16}.
• 14th October 2011 - Added dissections of {4} to {6}..{12}.
• 10th October 2011 - Added dissection of {4} to {4}+{7}+{10}.
• 8th October 2011 - Added sqaure series dissection page.
• 9th July 2011 - Improved dissection of {10} to {12/2}.
• 1st July 2011 - Improved dissection of {10} to {10/2}.
• 30th April 2011 - Added dissection of {5} to {14}.
• 14th April 2011 - Added dissection of {5} to {15}.
• 13th April 2011 - Added dissection of {5} to {13}.
• 8th February 2011 - Improved dissection of {4} to {5} to {6}.
• 5th February 2011 - Improved dissections of {4} to {6} to {8} and {4} to {6} to {6/2}.
• 1st January 2011 - Added dissections of {4} to {12/3} and {4} to {12/4}.
• 30th December 2010 - Added dissections of {4} to two {R_ϕ}s and {R_ϕ} to two {R_ϕ}s.
• 29th December 2010
  • Added dissections of {4} to two {G}s and {4} to two {L}s.
  • Added dissections of {G} to two {G}s and {L} to two {L}s.
  • Added dissection of {6} to {9/3}.
• 28th December 2010
  • Added dissection of {7} to {7/3}.
  • Added dissection of {9/2} to {9/4}.
  • Added dissections of {10/3} to {10/4}, {14/2} to {14/5} and {14/4} to {14/6}.
• 10th December 2010 - Added four way dissection of {3} to {4} to {8} to {6/2}.
• 29th October 2010 - Improved dissection of {8} to {G}.
• 28th October 2010 - Added dissection of {7} to {14/2}.
• 23rd October 2010 - Improved dissection of {12} to {12/2}.
• 19th October 2010 - Added dissection of {8} to {16/2}.
• 12th October 2010 - Added dissection of {12} to {12/5}.
• 9th October 2010 - Improved dissection of {12} to {12/3}.
• 20th September 2010 - Added three way dissection of {3} to {6} to {8}.
• 19th September 2010 - Added three way dissection of {4} to {5} to {6/2}.
• 17th September 2010 - Added three way dissection of {3} to {6} to {12}.
• 16th September 2010 - Added three way dissection of {6} to {12} to {6/2}.
• 15th September 2010 - Added three way dissection of {4} to {5} to {12}.
• 14th September 2010 - Added three way dissection of {4} to {5} to {8}.
• 13th September 2010 - Added three way dissection of {4} to {8} to {6/2}.
• 11th September 2010 - Added dissection of {16} to two {16}s.
• 10th September 2010 - Added dissections of {n} to two {n}s.
• 9th September 2010 - Added dissections of {n} to {2n} and {m} to {m/n}.
• 8th September 2010 - Added dissection of {7} to two {7}s.
• 7th September 2010 - Added dissections of {9} to two {9}s and {11} to two {11}s.
• 3rd September 2010 - Added dissection of {7} to {7/2}.
• 2nd September 2010 - Added dissection of {4} to two {11}s.
• 28th August 2010 - Improved dissection of {4} to two {9}s.
• 27th August 2010 - Added dissections of {12/3} to two {12/3}s and {12/4} to two {12/4}s.
• 25th August 2010 - Improved dissection of {4} to two {8/2}s.
• 21st August 2010
  • Improved dissection of {4} to two {12/2}s.
  • Added more pdf versions of dissections.
• 8th August 2010 - Improved dissection of {5} to {12/2}.
• 5th August 2010 - Added dissection of {12/2} to two {12/2}s.
• 4th August 2010 - Improved dissection of {8/3} to {12/2}.
• 3rd August 2010 - Added dissection of {5} to {10/2}.
• 31st July 2010 - Improved dissection of {4} to {10/3}.
• 8th September 2009 - Improved dissection of octagonal prism to cube.
• 5th May 2009 - Improved dissection of {6} to {11}.
• 25th April 2009 - Added dissection of {8} to {11}.
• 11th March 2009 - Added dissection of {11} to {6/2}.
• 28th February 2009 - Added dissection of {11} to {L}.
• 16th February 2009 - Added dissection of {7} to {11}.
• 31st January 2009 - Added dissection of {4} to two {12/2}s.
• 22nd January 2009 - Added golden rectangle dissections.
• 15th January 2009 - Added latin cross dissections.
• 31st December 2008 - Added greek cross dissections.
• 19th October 2008 - Added dissection of triangular prism to cube.
• 13th October 2008 - Added dissections of heptagonal and octagonal prisms to cube.
• 1st March 2008 - Added dissection of {9} to {8/2}.
• 23rd February 2008 - Corrected dissection of rhombic dodecahedron to cube.
• 22nd October 2007 - Added dissection of pentagonal prism to cube.
• 16th October 2007 - Improved dissection of rhombic dodecahedron to cube.
• 14th October 2007 - Improved dissection of truncated octahedron to cube.
• 11th October 2007 - Added dissection of hexagonal prism to cube.
• 15th September 2007 - Added more three way dissections.
• 7th July 2007 - Started adding three way dissections.
• 3rd July 2007 - Replaced dissection of {6} to {12/2}.
• 26th June 2007 - Replaced dissection of {4} to {18}.
• 18th June 2007 - Added dissection of {10} to {8/2}.
• 15th June 2007 - Improved dissection of {3} to {8/2}.
• 13th June 2007 - Added dissection of {7} to {8/2}.
• 11th June 2007 - Added dissection of {10} to {12/2}.
• 10th June 2007 - Added dissection of {9} to {12/2}.
• 5th June 2007 - Replaced dissection of {4} to two {5}s and {4} to two {6}s. Added dissection of {5/2} to {8/2}.
• 1st June 2007 - Added dissection of {8/3} to {12/2}.
• 31st May 2007 - Added dissection of {4} to two {8/2}s.
• 29th May 2007 - Added dissection of {5} to {12/2}.
• 25th May 2007 - Added dissection of {8/2} to {8/3}.
• 24th May 2007 - Added dissection of {8/2} to {12/2}.
• 21st May 2007 - Added dissection of {5/2} to {12/2}.
• 12th May 2007 - Added dissections of {5} to {8/2}, {8} to {12/2} and {12} to {12/2}.
• 8th May 2007 - Added dissection of {8} to {8/2}.
• 7th May 2007 - Added dissection of {7} to {12/2}.
• 5th May 2007 - Added dissection of {6/2} to {8/2}.
• 1st May 2007 - Replaced dissection of {6} to {12} with new version. Added dissection of {6} to {8/2}.
• 23rd April 2007 - Added dissection of {12} to {8/2}.
• 21st April 2007 - Added dissections of {6/2} to two {6/2}s and of {3} to {8/2}.
• 24th March 2007 - Added two to one dissections.
• 22nd March 2007 - Added dissection of {4} to latin cross. Improved dissection of latin cross to curved greek cross.
• 18th March 2007 - Improved dissection of {4} to curved greek cross.
• 14th March 2007 - Added dissection of {6} to {18}.
• 10th March 2007 - Added dissection of {3} to {14} and improved dissection of {6} to {6/2}.
• 5th November 2006 - Added dissection of {3} to {7/3}.
• 29th October 2006 - Replaced dissection of {4} to {21} with cleaner solution.
• 27th October 2006 - Added dissection of {3} to {13}.
• 25th October 2006 - Corrected mistake in solution of {3} to {11}. Added dissection of {3} to {10/3}.
• 5th October 2006 - Replaced dissection of {6} to {10} with different solution.
• 6th September 2006 - Added dissection of {4} to {28}.
• 5th August 2006 - Added dissection of {4} to {26}.
• 4th August 2006 - Improved dissection of {4} to {22}.
• 2nd August 2006 - Improved dissection of {4} to {11} and {4} to {54}. New dissections of {3}, {5} and {6} to {11} and of {4} to {22}.
• 28th May 2006 - Improved dissection of {4} to {21}.
• 24th March 2006 - Added dissection of {4} to two {6/2}s.
• 23rd March 2006 - Added dissection of {4} to two {8/3}s.
• 22nd March 2006 - Replaced dissection of {7} to {10} with cleaner solution.
• 21st March 2006 - Improved dissection of {4} to two {7}s.
• 11th February 2006 - Added dissection of {4} to two {9}s.
• 31st January 2006 - Added dissection of {4} to two {5/2}s.
• 12th January 2006 - Improved dissections of {5} to {8} and {7} to {8}.
• 2nd January 2006 - Added dissections of square to two polygons.
• 1st January 2006 - Added surface dissections.
• 5th December 2005 - Further updates to methods.
• 1st December 2005 - Updated description of the PT2 method.
• 25th November 2005 - Updated methods.
• 23th November 2005 - Added methods.
• 25th October 2005 - Improved dissection of {4} to {36}.
• 24th October 2005 - Improved dissections of {4} to {19} and {36}.
• 25th August 2005 - Further improvement of {4} to {30}.
• 19th August 2005 - Improved dissection of {4} to {30}.
• 17th August 2005 - Improved dissection of {4} to {36}.
• 13th August 2005 - Added new dissection of {4} to {36}.
• 10th August 2005 - Added new dissection of {4} to {30}.
• 18th June 2005 - Added new dissection of {4} to {9/4}.
• 30th May 2005 - Added new dissection of {4} to {7/2}.
• 27th May 2005 - Added new dissections of {4} to {10/2}.
• 22th May 2005 - Added new dissection of {4} to {7/2}.
• 12th May 2005 - Added new dissection of {4} to {7/3}.
• 11th May 2005 - Added new dissection of {4} to {10/3}.
• 9th May 2005 - Added new dissection of {4} to {9/3}.
• 6th May 2005 - Improved dissections of {4} to {11}.
• 5th May 2005 - Added improved dissections of {4} to {13} and {12/2}.
• 29th April 2005 - Added new dissection of {4} to {9}.
• 31st January 2005 - Improved dissection of {4} to {10/2}.
• 28th December 2004 - Added dissection of {4} to {10/2}.
• 24th December 2004 - Added dissection of {4} to {9/2}.
• 22nd December 2004 - Added dissection of {4} to {7/2}.
• 24th August 2004 - Added new dissection of {4} to {12/2} that does not require any pieces to be turned over.
• 30th April 2004 - Added dissection of {3} to {10/4}.
• 8th April 2004 - Major update. Added a number of new dissections. Added display of overlays.
• 26th March 2004 - Added a number of new dissections.
• 24th March 2004 - Added dissection of {5} to {10}.
• 17th March 2004 - Added large images.
• 15th March 2004 - Added dissections of {6} to {10} and {8/3}.
• 23rd Febuary 2004 - Added improved dissections of {9} and removed SVG index.
• 23rd January 2004 - Added dissections of {4} to {19} and {21}.
• 19th December 2003 - Improved dissection of {4} to {54}.
• 16th December 2003 - Improved dissection of {4} to {18}.
• 12th December 2003 - Improved dissections of {4} to {15} and {17}. Added solid dissections (HTML only).
• 26th September 2003 - Moved site to btconnect.
• 19th September 2003 - Added dissections of {4} to {n} for n>10.
• 6th January 2002 - Added dissection of {4} to {14} in 10 pieces.
• 17th August 2001 - Added solid dissections (SVG only).
• 6th July 2001 - First version.