pdp1@EARTHLINK.NET on mon 3 nov 03
I would think about any Die-Grinding Burr as has a round end
would produce a nice half-spherical lug or key...
They are easy to find and inexpensive enough...or a
countersink even, yes? for a cone shaped key...
Phil
Las Vegas
----- Original Message -----
From: "Snail Scott"
> At 08:35 AM 11/3/03 EST, you wrote:
> >In my early years of making molds I would simply use a
carving tool and carve
> >out key holes...[then] it hit me...steel washers...I
needed to find some
> way to
> >increase the pressure I exert on the washer to give me
better boring
> >capabiilities, holding it with two fingers was not
cutting it...
> >And it hit me again...a vise grip....
>
>
> I learned the washer trick from Neil Fryzer in
> Santa Fe. A nickel also works in a pinch. (He
> clamped the washer in an old-style hand-crank
> drill.) Lately, though, since I don't do molds
> for public sale or for mass production, I've
> gotten a little sloppy and casual. I do most of
> my plaster at the university where I work, (out
> of my small studio) ;) where they keep a bin
> of cheap metal pie servers as all-purpose plaster-
> shaping tools. (They resemble a small mason's
> trowel, but with a round tip.) The round tip has
> about the curvature of a quarter - bigger than
> strictly necessary, but ready to hand, with a
> sturdy wooden handle. When I leave the Land of
> Pre-Provided Plasterworking Pie-Servers, I don't
> know that I'd make a special effort to acquire
> my own, but if I saw one at the dollar store or
> some such, I'd probably snag one to use.
>
> -Snail
>
>
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