The origin of the base shapes of the Voynich alphabet

[Anton]

Well, once again, this thread purposefully pre-supposes that the characters are constructed: it's just a hypothesis trail to be explored. So, if they are not, then the whole discussion of this thread gets void.
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I'm not sure if i understand correctly. Do you mean geometric patterns combined to letters ? Or are "basic shapes" something else ?

Just check You are not allowed to view links. Register or Login to view., it'll make the approach clear. Specifically, in this thread, I'm speaking about e and i as base shapes. Adding modifiers transforms them into other glyphs. Like, e plus tail yields s, etc.