I do as much as I can with the wax. I will finish the wax up and fit it back on the model making the contacts exactly the way I would want them in the metal. When I finish the metal I smooth and polish everything but the contacts. I will then try and seat it on the solid model, this is were I loose the contact. Your right about the cost of a laser welder. I also find it easier to remake the crown than to attempt to solder a contact on. I have been getting a lot of FGC lately and think I should find a course on soldering to help me fix this weakness I have.
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