Hence the design of Latin glyphs is planned with 16 degree angle, while the Arabic glyphs are constrained to a minus 16 degree angle, Is it possible to have in the same Glyphs file two mirrored angles: one for LTR and the other for RTL ?
Yes. With the italicAngle parameter in your masters. Use
arabic:-16 as value.
OK I will test that
It works perfectly
Ich bin dankbar