Advise needed - Engraving a pattern into a solid.

 From:  Frenchy Pilou (PILOU) 3 Nov 2016  (14 of 23) 
8160.14 
You can also use the Flow function! :)

Alas with the heart above one of the curve is too more complex in one pass even in using the Rebuild function! :(
Maybe with the V4 and 64 bits...

Here the concept :)

EDITED: 3 Nov 2016 by PILOU