On Mar 25, 2022, at 04:35, Luca Fascione <l.fasci...@gmail.com> wrote: > > This video shows Hans Kuehner at work > > https://www.youtube.com/watch?v=BvyoKdW-Big > > at 4m36 shows beams being engraved, he appears to keep the instrument > orthogonal to the line direction,
It's fascinating, but those beams are nearly horizontal and Valentin's concern is about steep beams. — Dan
