Hedgehog
thingiverse
Simple hedgehog model. I have printed it and it comes out well. Fits in the palm of your hand. May get a little hairy around the top spikes but that is easily cleaned away. Takes about an hour to print on my printer (Delta RepRap Athena) but can take others fairly longer. Works fine with any infill, you can change it to adjust the weight. I find that a 100% infill makes a very nice paper weight.
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