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Casting resin parts, Part 1: making the mold

Learn how to make a rubber mold for casting your own resin parts

Published: June 20, 2012

Associate Editor Aaron Skinner walks you through the steps for casting resin parts for your scale modeling needs. In this, the first of two installments, Aaron shows you how to make a room-temperature-vulcanizing (RTV) rubber mold.


Be sure to watch the second installment of Casting Resin Parts.

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BOBBY D PETERSON from CALIFORNIA said:
when would a mold release agent be needed?
4 stars
JING LEDESMA from PHILIPPINES said:
great! what specific name brand did you use for the rubber mold and is it available in the Philippines?
5 stars
AL EINHORN from AUSTRALIA (VIC) said:
Thanks Aaron
Very nice laid out
4 stars
JOAQUIN RUIZ from OHIO said:
It was very helpful.
5 stars
STEVE MACEY from UNITED KINGDOM said:
Good video tip, however when making molds of items with fine detail in restricting areas ie undercuts etc.. A good tip is to use a food vacum box ( these are sold in electrical appliance outlets) place the mold after pouring the rubber into the box press the button and it wil help to evacuate the air from around these problem areas and then you can do the same when casting the resin parts. It will give you a better mold a nd molded parts and it's very cheap especially if. You can pick one up second hand.
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