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eL Perch Puzzle
by gibell
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This puzzle was designed in 2009 by Rick Eason. See http://www.mechanicalpuzzles.org/puzzles/eLPerch/eLPerch.html
The puzzle consists of seven L-shaped pieces plus a stand. The goal is to build a cube on the stand in so that each piece is fully supported and nothing falls down. It's trickier than it sounds. Solution hints can be found at the above website.
Rick Eason sold the original wood version seen in the photos. The pieces need sufficient friction and sadly PLA is too slippery. Wood works well, I suggest using wood-infused PLA. Light sanding is recommended to roughen the faces, and you may want to use a higher infill to mimic the weight of the wood pieces.
I include the puzzle in two sizes: the original wood version is based on a 7/8"=22.225 mm cubie size. I include both a "basic stand" and "fancy stand". I prefer the basic stand, it is simple and functional, like the original wood stand. If you find the stand is not strong enough, try the fancy stand.
The pla
The puzzle consists of seven L-shaped pieces plus a stand. The goal is to build a cube on the stand in so that each piece is fully supported and nothing falls down. It's trickier than it sounds. Solution hints can be found at the above website.
Rick Eason sold the original wood version seen in the photos. The pieces need sufficient friction and sadly PLA is too slippery. Wood works well, I suggest using wood-infused PLA. Light sanding is recommended to roughen the faces, and you may want to use a higher infill to mimic the weight of the wood pieces.
I include the puzzle in two sizes: the original wood version is based on a 7/8"=22.225 mm cubie size. I include both a "basic stand" and "fancy stand". I prefer the basic stand, it is simple and functional, like the original wood stand. If you find the stand is not strong enough, try the fancy stand.
The pla
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