| 1. Prep the part |
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| Sand and clean the part, any surface texture will be reproduced in the mold. |
The first cast of the cargo shuttle bay tore the mold due to these undercuts
in the master, photo etch even had bleed under, where the edges of the pieces weren't
sealed and rubber seeped under, these tear slowly causing each casting's details to
go fuzzy. |
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| The shuttle bay master side walls. |