Don't forget several typographers and institutions are using lead-free alloys. At the Plantin-Moretus Museum they have been using a Bismuth alloy that melts around 138 C.
Anyway, why using plastic when with modern technologies typographer's moulds c…
Yes, some water passed under the bridge after I made the original questions. I purchased the Sheppach wet grinder and yes, its motor is weaker than the Tormek. However, I found out you can shape your gravers well with it. The rest of the work is don…
If you use Fontlab, the script KERN Exchange by Alexander Lubovenko is super handy:
Otherwise I use Glyphs and combine it with MetricsMachine rather easily.
I think the biggest problem is not understanding how the thicks and thins are distributed in spencerian - copperplate calligraphic styles. It's the expansion kind of contrast in Noordzijd terminology. Try to analyse how a master does it: