A piston-like extender that can extend most solids!
piston
kominc
masomenos
hatguy
xkcd
usedtobeabagel
powderlogic
electronic
build
yupyup
Comments
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Sorry about that powder, I didn't realize . . . great idea though, I must say you executed it a bit better than I did
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HEY!!!! i make a really similar thing BEFORE you!!!! ID:1973261
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More of an extruder, but nice idea.