winch

Casting solder into resin-printed molds

Last time I tried to pur solder into a hand-cut cardboard "mold". The result was as inaccurate as one would expect. My attempts to smooth it out with epoxy...

Experiments with cast solder

In portal crane project the hook has to be as heavy as possible, otherwise the threads will not be tightened enough and will skip all the time (and will l...