Submission Guidelines     Vacation Advisory

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Packing Equal Copies

Circles in Circles updated 6/27/05	Triangles in Circles updated 10/7/26	Squares in Circles updated 10/3/26	Pentagons in Circles updated 10/6/26	Hexagons in Circles updated 10/4/26	Octagons in Circles updated 10/5/26	Tans in Circles updated 10/6/26	Dominoes in Circles updated 10/4/26	L's in Circles updated 10/5/26

Circles in Triangles updated 7/19/02	Triangles in Triangles updated 10/3/26	Squares in Triangles updated 10/2/26	Pentagons in Triangles updated 10/6/26	Hexagons in Triangles updated 10/3/26	Octagons in Triangles updated 10/3/26	Tans in Triangles updated 10/7/26	Dominoes in Triangles updated 10/4/26	L's in Triangles updated 10/5/26

Circles in Squares updated 10/9/10	Triangles in Squares updated 10/7/26	Squares in Squares (David Ellsworth's page)	Pentagons in Squares updated 10/6/26	Hexagons in Squares updated 10/3/26	Octagons in Squares updated 10/6/26	Tans in Squares updated 10/7/26	Dominoes in Squares updated 10/4/26	L's in Squares updated 10/5/26

Circles in Pentagons updated 7/10/12	Triangles in Pentagons updated 10/7/26	Squares in Pentagons updated 10/6/26	Pentagons in Pentagons updated 10/6/26	Hexagons in Pentagons updated 10/3/26	Octagons in Pentagons updated 10/6/26	Tans in Pentagons updated 10/7/26	Dominoes in Pentagons updated 9/24/26	L's in Pentagons updated 10/5/26

Circles in Hexagons updated 9/16/26	Triangles in Hexagons updated 10/7/26	Squares in Hexagons updated 10/6/26	Pentagons in Hexagons updated 10/6/26	Hexagons in Hexagons updated 10/3/26	Octagons in Hexagons updated 10/5/26	Tans in Hexagons updated 10/6/26	Dominoes in Hexagons updated 10/4/26	L's in Hexagons updated 10/5/26

Circles in Octagons (Packomania Page)	Triangles in Octagons updated 10/7/26	Squares in Octagons updated 10/6/26	Pentagons in Octagons updated 10/6/26	Hexagons in Octagons updated 10/3/26	Octagons in Octagons updated 10/6/26	Tans in Octagons updated 10/7/26	Dominoes in Octagons updated 10/4/26	L's in Octagons updated 10/5/26

Circles in Tans updated 9/16/26	Triangles in Tans updated 10/7/26	Squares in Tans updated 10/6/26	Pentagons in Tans updated 9/19/26	Hexagons in Tans updated 9/28/26	Octagons in Tans updated 10/6/26	Tans in Tans updated 10/7/26	Dominoes in Tans updated 10/4/26	L's in Tans updated 10/5/26

Circles in Dominoes (Packomania Page)	Triangles in Dominoes updated 10/7/26	Squares in Dominoes updated 9/26/26	Pentagons in Dominoes updated 10/6/26	Hexagons in Dominoes updated 9/28/26	Octagons in Dominoes updated 10/5/26	Tans in Dominoes updated 10/6/26	Dominoes in Dominoes updated 10/4/26	L's in Dominoes updated 10/5/26

Circles in L's updated 10/4/26	Triangles in L's updated 10/7/26	Squares in L's updated 10/6/26	Pentagons in L's updated 9/30/26	Hexagons in L's updated 9/28/26	Octagons in L's updated 10/5/26	Tans in L's updated 10/6/26	Dominoes in L's updated 10/4/26	L's in L's updated 10/5/26

Circles in Arbitrary Ellipses updated 10/2/26	Circles in Arbitrary Triangles updated 6/25/26

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Packing Copies to Maximize Total Perimeter

Circles in Circles updated 9/30/26	Triangles in Circles updated 10/4/26	Squares in Circles updated 10/3/26	Pentagons in Circles updated 10/3/26

Circles in Triangles updated 7/3/26	Squares in Triangles updated 9/30/26	Pentagons in Triangles updated 10/3/26	Circles in Ellipses updated 9/14/26

Circles in Squares updated 10/6/26	Triangles in Squares updated 10/4/26	Pentagons in Squares updated 10/3/26	Circles in Rectangles updated 10/6/26

Circles in Pentagons updated 10/6/26	Triangles in Pentagons updated 10/4/26	Squares in Pentagons updated 10/3/26	Pentagons in Pentagons updated 10/3/26

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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 10/2/26

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Other Packing Problems

Consecutive Dominoes in Squares updated 9/23/26	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 9/25/26	Triangles Covering Squares updated 9/25/26

Squares Covering Triangles updated 9/25/26	Squares Covering Circles updated 9/25/26	Squares Covering Squares updated 9/25/26

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 (Tej Stead's page)	Heilbronn Problem for Triangles (Tej Stead's page)	Heilbronn Problem for Convex Regions (Tej Stead's page)

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Related Problems

Tree Planting updated 6/14/09	Minimizing the Ratio of Max to Min Distance updated 9/14/26	Minimizing the Ratio of Max to Min Distance in 3 Dimensions updated 6/25/26	Maximum Fence Area updated 9/19/26	Maximum Product of Areas updated 9/13/26	Maximizing Minimum Light Intensity updated 9/22/26

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Packing Links

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