Erich's Packing Center

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Packing Equal Copies

Circles in Circles updated 6/27/05	Triangles in Circles updated 6/3/26	Squares in Circles updated 7/3/26	Pentagons in Circles updated 7/3/26	Hexagons in Circles updated 7/3/26	Octagons in Circles updated 7/3/26	Tans in Circles updated 7/3/26	Dominoes in Circles updated 5/23/26	L's in Circles updated 6/4/26

Circles in Triangles updated 7/19/02	Triangles in Triangles updated 7/3/26	Squares in Triangles updated 7/5/26	Pentagons in Triangles updated 7/13/26	Hexagons in Triangles updated 7/3/26	Octagons in Triangles updated 7/6/26	Tans in Triangles updated 7/15/26	Dominoes in Triangles updated 7/15/26	L's in Triangles updated 7/23/26

Circles in Squares updated 10/9/10	Triangles in Squares updated 6/5/26	Squares in Squares (David Ellsworth's page)	Pentagons in Squares updated 7/6/26	Hexagons in Squares updated 7/14/26	Octagons in Squares updated 7/1/26	Tans in Squares updated 7/15/26	Dominoes in Squares updated 7/13/26	L's in Squares updated 7/13/26

Circles in Pentagons updated 7/10/12	Triangles in Pentagons updated 7/7/26	Squares in Pentagons updated 6/12/26	Pentagons in Pentagons updated 7/14/26	Hexagons in Pentagons updated 7/14/26	Octagons in Pentagons updated 7/8/26	Tans in Pentagons updated 7/9/26	Dominoes in Pentagons updated 7/23/26	L's in Pentagons updated 7/23/26

Circles in Hexagons updated 7/19/12	Triangles in Hexagons updated 7/5/26	Squares in Hexagons updated 7/6/26	Pentagons in Hexagons updated 7/14/26	Hexagons in Hexagons updated 7/5/26	Octagons in Hexagons updated 7/6/26	Tans in Hexagons updated 7/9/26	Dominoes in Hexagons updated 7/23/26	L's in Hexagons updated 7/22/26

Circles in Octagons (Packomania Page)	Triangles in Octagons updated 7/7/26	Squares in Octagons updated 7/9/26	Pentagons in Octagons updated 7/14/26	Hexagons in Octagons updated 7/14/26	Octagons in Octagons updated 7/13/26	Tans in Octagons updated 6/15/26	Dominoes in Octagons updated 7/26/26	L's in Octagons updated 7/19/26

Circles in Tans updated 5/8/09	Triangles in Tans updated 7/21/26	Squares in Tans updated 3/27/26	Pentagons in Tans updated 7/8/26	Hexagons in Tans updated 7/8/26	Octagons in Tans updated 12/24/07	Tans in Tans updated 12/6/07	Dominoes in Tans updated 5/23/26	L's in Tans updated 12/23/07

Circles in Dominoes (Packomania Page)	Triangles in Dominoes updated 7/15/26	Squares in Dominoes updated 7/15/26	Pentagons in Dominoes updated 7/8/26	Hexagons in Dominoes updated 7/8/26	Octagons in Dominoes updated 7/16/26	Tans in Dominoes updated 7/15/26	Dominoes in Dominoes updated 6/16/26	L's in Dominoes updated 6/4/26

Circles in L's updated 6/25/26	Triangles in L's updated 6/7/26	Squares in L's updated 6/7/26	Pentagons in L's updated 6/11/26	Hexagons in L's updated 6/11/26	Octagons in L's updated 6/18/26	Tans in L's updated 7/23/12	Dominoes in L's updated 6/26/26	L's in L's updated 6/10/26

Circles in Arbitrary Ellipses updated 6/8/07	Circles in Arbitrary Triangles updated 6/25/26

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Packing Copies to Maximize Total Perimeter

Circles in Circles updated 7/3/26	Triangles in Circles updated 7/3/26	Squares in Circles updated 7/3/26	Pentagons in Circles updated 6/21/26

Circles in Triangles updated 7/3/26	Squares in Triangles updated 7/3/26	Pentagons in Triangles updated 6/20/26	Circles in Elipses updated 6/21/26

Circles in Squares updated 7/3/26	Triangles in Squares updated 7/3/26	Pentagons in Squares updated 7/1/26	Circles in Rectangles updated 2/11/26

Circles in Pentagons updated 6/26/26	Triangles in Pentagons updated 6/29/26	Squares in Pentagons updated 6/20/26	Pentagons in Pentagons updated 7/8/26

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Three Dimensional Packing

Cubes In Cubes updated 7/3/26	Tetrahedra In Cubes updated 7/18/26	Octahedra In Cubes updated 7/3/26

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Packing Animations

Animated Rectangles in Squares updated 7/19/02	Animated Circles in Rectangles updated 7/19/02	Rigid Circles in Squares updated 9/4/06

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Other Packing Problems

Consecutive Dominoes in Squares updated 6/28/26	Consecutive L's in Squares updated 5/25/15	Consecutive Rectangles in Similar Rectangles updated 6/19/15	Tiling Almost Squares updated 2/7/13

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Covering

Triangles Covering Triangles updated 8/11/05	Triangles Covering Circles updated 8/10/09	Triangles Covering Squares updated 4/12/09

Squares Covering Triangles updated 5/26/09	Squares Covering Circles updated 5/8/09	Squares Covering Squares updated 10/9/10

Circles Covering Triangles updated 7/6/05	Circles Covering Circles updated 8/16/19	Circles Covering Squares updated 7/6/05

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Heilbronn Problems

Heilbronn Problem for Squares updated 7/23/26	Heilbronn Problem for Triangles updated 7/23/26	Heilbronn Problem for Convex Regions updated 7/23/26

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Related Problems

Tree Planting updated 6/14/09	Minimizing the Ratio of Max to Min Distance updated 2/11/26	Minimizing the Ratio of Max to Min Distance in 3 Dimensions updated 6/25/26	Maximum Fence Area updated 7/23/26	Maximum Product of Areas updated 7/18/26	Maximizing Minimum Light Intensity updated 7/25/26

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Packing Links | David Ellsworth | Packomania | Torsten Sillke | George Sicherman | | Anton Sherwood | Andrew Clarke | Livio Zucca | Eduard Baumann |