I've been thinking that using high-temperature silver solder (from your welding supply store) or a brazing rod might give the best hold. Also drilling out the hole a bit deeper, so as to hold a longer length of the cable might give you better durability for the long-haul. Then again, perhaps building a tiny Universal joint and running a rigid drive-shaft might be the answer, or just extend the drby Rick.Berry - Mechanics
I've been looking for an explicit definition, but haven't found one. When you say "CAPA" are you referring to any polycaprolactone polymer in general, or to some particular commercial product?by Rick.Berry - Reprappers
I'm a very new newcomer to the RepRap world... I just got here today But it occurred to me to wonder why you're using the acorn nuts rather than something with a long, thin tube the same diameter as the exit orifice to allow the medium to smooth out its flow before exiting. What came to my mind was the removable screw-on metal (chrome-plated brass?) tips from Pentel mechanical pencils. These pby Rick.Berry - Mechanics