Re: [CAD_CAM_EDM_DRO] plastics

Ian Wright wrote:

> I have been making a new mouthpiece for my euphonium out of acrylic
> (perspex, lucite?) and I have turned it from a solid 2" diameter rod. When I
> finished it and polished it it looked the bees knees and I was delighted
> but, since I have been playing on it for a few days, it has developed a
> network of fine cracks around the narrowest portion of the bore.

Using cast acrylic, rather than extruded rod, is a good suggestion.
Another possibility is to use polycarbonate (Lexan).

Is it made from tranparent (clear), or colored plastic?

Matt