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Seconds later … I slapped the Big Red Button
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Their dam spans the entire near side of the pond
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Plenty of engraved lines for further study
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A closer look at the spalled section
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They’ll never actually bump into anything
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A better fix required a few minutes of OpenSCAD tweakage
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The sheet metal around the hole had absorbed at least one mighty blow
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The robotics did not work out as anticipated
The Smell of Molten Projects in the Morning 