Author Topic: Why are the vast majority of garage kits cast in resin?  (Read 1305 times)

Hepcat

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Why are the vast majority of garage kits cast in resin?
« on: January 27, 2012, 10:10:34 AM »
Model kits have traditionally been cast in styrene plastic by all the manufacturers of mainstream kits. Garage kits though tend to be cast in resin. Why has resin become the choice of garage kit molders?

Secondly, why do garage kits typically have so few parts compared with mainstream kits? Is this due to certain market factors or is it simply that the garage kit casters can't be bothered to break up the figure and cast a multitude of different pieces?

 ???
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westbatman

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Re: Why are the vast majority of garage kits cast in resin?
« Reply #1 on: January 27, 2012, 10:25:12 AM »
It's the production cost. No garage builder could afford (any that I have met) all the equipment to make styrene kits.

Resin is a relative easy process with not a lot of cost. Less pieces on a resin kit = less expense in mold rubber.

Just my thoughts.

Scary Terry

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Re: Why are the vast majority of garage kits cast in resin?
« Reply #2 on: January 27, 2012, 02:12:05 PM »
Garage kits are by their nature homemade/handmade -- usually in someone's garage -- hence the nickname.  Typically limited in number -- molds sometimes crash after 50 castings or so.  Styrene kits are mass produced in a factory.

empty13

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Re: Why are the vast majority of garage kits cast in resin?
« Reply #3 on: January 27, 2012, 06:02:00 PM »
"the subject that wouldnt die"

madsculptor

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Re: Why are the vast majority of garage kits cast in resin?
« Reply #4 on: January 31, 2012, 12:27:24 PM »
I use to sculpt these kits.  We would usually sculpt a whole figure out of super sculpey,  then cut the parts off with a fine saw.  Then touch up the cut marks.  It was very difficult to pose the sculptures since you had to simplify the armature pose so it could be cut easier.  I think the most parts we ever did was around 12 in a kit.  Each part had to have a rubber mold that could withstand the temperature of the resin as it set.  It was a slow process... pour the resin, rubber band the mold,  vibrate the mold and then walk away for 40 minutes or pour a different kit.  After about 30-50 pours the rubber mold became so brittle it would tear... followed by a few 'swears'.  Then new molds would have to be made.  a lot of times the original sculpt was destroyed on the first molding.  Thus a recast would have to be made of the first resin pour.  Always kept the first one !

Unknown Primate

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Re: Why are the vast majority of garage kits cast in resin?
« Reply #5 on: January 31, 2012, 01:36:46 PM »
That's really interesting, madsculptor - thanks for sharing that!
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Monster Bob

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Re: Why are the vast majority of garage kits cast in resin?
« Reply #6 on: January 31, 2012, 01:56:30 PM »


Keep in mind the cost, size, and scope of making a metal mold for styrene injection. They are huge in size and cost thousand$...then of course you also need to be able to inject hot plastic.

monsterswin

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Re: Why are the vast majority of garage kits cast in resin?
« Reply #7 on: February 03, 2012, 10:37:40 AM »
Same with vinyl. REALLY expensive to produce

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