Triangles, Squares & Rectangles in Nature

Challenge #69 in the Life in the Natural World series. Hosted by RuthC.
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This may be an interesting challenge for you to find examples of sharp angles in nature, where curves and smooth lines are the norm. The triangles, squares, diamonds, rectangles rhomboids, polygons etc should be outside in the natural environment. Macro and close-up shots welcome. SIZE: 1,600px MAXIMUM ON LONGER SIDE.
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57 entries
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1331 votes
Pipelines
Giant's Causeway Northern Ireland
Palm Stems
Rock Formations - Bathurst Head
Melianthus Major leaves
Icy Triangles
Valley of Death
Macro ice mountains
Artichoke, triangles in a circle
Isopogon bud
Spider Triangle
Piediluco lake
Sawn Rocks - Mount Kaputar National Park
calcium floride
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Sample entries
These entries were provided by the challenge host(s) as samples and cannot be voted on. Upload sample image.
Spider Web
Triangular Leaves
Tessellated Rocks
1,600px MAXIMUM
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