On Thu, 24 Apr 2014, Richard Guy Briggs wrote: > On 14/04/23, Robert P. J. Day wrote: > > > > given the possible "maker" community in the area, i figure i might > > as well ask here -- i'm looking for someone local who can do some > > simple machining of aluminum blocks to build a spherical ice cube > > maker. here's a sample set of instructions online: > > > > http://www.instructables.com/id/How-to-make-an-ice-ball-maker/ > > > > really pretty straightforward -- two sizable aluminum blocks, > > machine two half-spheres into them, then install a couple vertical > > guides to let one block slowly, driven by it own weight, flatten a > > chunk of ice into a perfectly spherical ball. here's a video showing > > the principle in action (using copper instead of aluminum): > > > > https://www.youtube.com/watch?v=QuSeKS9sbZg > > > > anyway, you get the idea. anyone here have any suggestions for > > machine shops in town that can do this kind of thing? thanks. > > This guy can most likely help you: > http://www.johnsonweldingworks.com/ > > I'm heading in there today to get a part of one of my recumbent > bikes fixed. thanks, i'll check that out. and if anyone else is interested, i also found this, http://archerprecision.ca/, where the machinist/owner assures me what i'm looking for seems pretty simple. i look forward not only to making spherical ice cubes, but also lording it over others as to why that shape is thermodynamically optimal for cocktails. :-) rday -- ======================================================================== Robert P. J. Day Ottawa, Ontario, CANADA http://crashcourse.ca Twitter: http://twitter.com/rpjday LinkedIn: http://ca.linkedin.com/in/rpjday ========================================================================