head snake sign glass scissors cup health staff herald cut serpent gizmoo caduceus medical hermes rod mercury oath symbolism asclepius physician hippocrates hippocratic
Drawn in ink on vinyl paint mask, as an attempted substitute for Yupo brand paper. Barely tolerable results there. Hand oils made ink bead up. Then scanned, raster edited in Gimp, imported into Inkscape, path > trace bitmap, then a little node editing, but not much. There are still a 'bujillion' nodes here, so it might slow your plotter down some.
Also, there is -zero- research evidence that a gate looking like this ever existed, I just made it up.