For those of you that though I was kidding about a three sided drill
bit for drilling a square hole.
Here you go for an explanation…
A polygon is a closed figure made by joining line segments, where
each line segment intersects exactly two others. Four sided polygon
is a square… So to drill a square hole you would use a three sided
drill bit in a drill press chuck that allows radial movement of the
the drill bit Here is the link to how square holes are drilled.
Glass hammers are on my list of tools to find like sky hooks, the
folder of missing documents, ID10T tax form (my Fair Tax signature
line is usually removed), bucket of steam, glass nails, a
left-handed screwdriver and other sordid snipe hunts.