Mold alternative (realistic / specific)

My girlfriend really wants a mold of my penis for when we’re apart. However, I’ve been reading some of the reviews / firsthand experiences from molds and I’m not super confident in the the whole thing. Seems messy and that the results often aren’t great.

Anyway, I was hoping to get something realistic with as close to my dimensions as possible. I’ve seen a few recommendations around here, wondering where I can get most specific. Thanks!!!

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