Reply To: CAD – Target Enigma

[John HinkleyParticipant @johnhinkley26699]

Dave,

I have been silently following your progress with interest and have been playing with Alibre Atom and Fusion 360 to try to replicate the letter drums.  Unfortunately, Atom doesn’t have the extrude or wrap facilities that the Expert or Pro versions have, but I have been able to model the drums in Fusion.  It requires the plane upon which the letter list is placed to be offset – by an non-specific amount – from the circumference (not tangential) to produce the required result.  At least the way I do it, it does!  I used Bold Arial font, Height = 10mm and line spacing = 3.296mm, if it’s of any interest.

By the way, all the pictures of Enigma machines that I have seen have the letters wrapped “the other way around” the drum, the reverse direction to that shown in your CAD shots.

See the picture here the National Museum of Computing

 

John

Back to watching silently ……..