I don't know about a hundred! I have used plastic blister packs from other packaging for molds to make=20 one-offs. Also, a primitive mold can be fashioned from foil in less than a minute.=20 It will even cast lead. Its fun up to about 5 units and then boredom sets in... I have also bought cheap (but new) products and dumped the contents to=20 use the case. On 9/4/2012 3:45 AM, IVP wrote: >> it's very time-consuming to make the housings. I need about >> 50-100 of these, and really dreading the thought of ..... > On a couple of occassions I've found it fairly convenient to > make silicone moulds (from a wooden master) and cast ad > hoc fittings in polyester > > But I do have those materials to hand for other work > > Joe --=20 John Ferrell W8CCW =93During times of universal deceit, Telling the TRUTH becomes a revolutionary act=94 George Orwell --=20 http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .