أنشئ حسابًا أو سجّل الدخول للانضمام إلى مجتمعك المهني.
It is better to have multiple layers for better understanding for a complex drawing. for simple drawing one layer is enough.
No certain number, it depends
that depends on the drawing there is no such limits set layer you should have
its depends on your drawing, millions of layers you can create up to your software is crushed
