Instructables: exploring - play - art - easy - fun - featured Tue, 1 Dec 2015 14:03:56 PST BLOX v1.01 Parabolic Pencil Star
Parabolic Pencil Star - More DIY How To Projects]]> Eat More Chicken Almost everyone has seen how straight lines can be turned into a near-perfect parabolic curve, and everyone has a bunch of pencils lying around at home or at the office that they don't use.  Put those pencils to use and build this neat pencil star.  The curves are created by following the same conce...
By: Eat More Chicken

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Sun, 16 Sep 2012 16:55:59 PDT