Do what thou wilt shall be the whole of the Law.
Just to add some options here:
The flame could originate from the heart chakra.
The flame could originate from the shoulder that was just touched.
The flame could some how be drawn in from the outside, like the divine names.
The flame could just snap into existence from nowhere. (seems odd, but okay.)
The flame could come from the crown down the arm.
Also, my practice could be hindered because I am drawing the figures pretty large. (Start at lower hip, come up to crown, down to other hip, across to 1 foot beyond shoulder, etc.) Perhaps this is easier if one draws smaller ones?
P.S. Yes, there is an LBRP post already, but it's content has gone far away from this kind of question. However, if an administrator would rather see this post assimilated, please do.
Love is the law, love under will.