Wooden Stand for a Christmas Tree

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Take two pieces of lumber with the same dimensions. Cut a groove at the center of each piece, align the pieces at right angles, and fit them at the grooves. Add a vertical tube across the center to hold the pieces together and provide a seat for a Christmas tree.
Contributed by: Sándor Kabai (December 2008)
Open content licensed under CC BY-NC-SA
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"Wooden Stand for a Christmas Tree"
http://demonstrations.wolfram.com/WoodenStandForAChristmasTree/
Wolfram Demonstrations Project
Published: December 19 2008