How do I figure out which material to mold and cast cosplays and props?

Peter Parke 67

New Member
Hi, Last year I made a batman cosplay using eva foam based on the Pattinson movie which I didn't get to finish unfortunately. I want tp reattemp it using the molding and casting technique which I've seen a lot on the internet and the results seem visually better. The thing is that I don't know Jack about it. Especially in the material department. I've heard some people mentioning polyurethane, silicone, resin, latex, fiber glass, or sometimes mention them but they call them "liquid", latex foam and more. So which am I supposed to use for cosplaying? Or does it depend on what am making? If am making let's say a red hood armor or a batsuit, do I use the same material to cast the whole thing or does the helmet/cowl require a different one? If yes, are there other pieces of the cosplay that require a different material? Does the props so too? What about the mold? Am I supposed to use the same stuff for both the mold and the cast? Please enlighten about this whole making cosplays by molding and casting things!
Your help will en appreciated.

Ps: Before anyone says that it's too complicated or that it's too soon for me to try. Well everybody starts somewhere. Also, after accidentally destroying my foam torso pieces last year and having to redo them over 10 times I am patient enough for anything!
 

MattMunson

Master Member
I hate to say it, but youtube has become a really great reference for this type of stuff, probably better than the good ol' RPF. Try searching 'DIY red hood armor tutorial' or something like that and see what comes up. Tons of REALLY talented people making all kinds of really details videos on how to make stuff.
Smooth-on also has their own channel with great product tutorials, though they tend to be kind of random in their subject matter.
 

Davathehut

New Member
Hi, Last year I made a batman cosplay using eva foam based on the Pattinson movie which I didn't get to finish unfortunately. I want tp reattemp it using the molding and casting technique which I've seen a lot on the internet and the results seem visually better. The thing is that I don't know Jack about it. Especially in the material department. I've heard some people mentioning polyurethane, silicone, resin, latex, fiber glass, or sometimes mention them but they call them "liquid", latex foam and more. So which am I supposed to use for cosplaying? Or does it depend on what am making? If am making let's say a red hood armor or a batsuit, do I use the same material to cast the whole thing or does the helmet/cowl require a different one? If yes, are there other pieces of the cosplay that require a different material? Does the props so too? What about the mold? Am I supposed to use the same stuff for both the mold and the cast? Please enlighten about this whole making cosplays by molding and casting things!
Your help will en appreciated.

Ps: Before anyone says that it's too complicated or that it's too soon for me to try. Well everybody starts somewhere. Also, after accidentally destroying my foam torso pieces last year and having to redo them over 10 times I am patient enough for anything!
hi there sorry i cant give advice on this but i wish you all the luck with your project
 

Skyler101

Sr Member
I hate to say it, but youtube has become a really great reference for this type of stuff, probably better than the good ol' RPF. Try searching 'DIY red hood armor tutorial' or something like that and see what comes up. Tons of REALLY talented people making all kinds of really details videos on how to make stuff.
Smooth-on also has their own channel with great product tutorials, though they tend to be kind of random in their subject matter.

Remember when this kind of information was shared through group builds and visiting workshops. What a time to be part of this hobby!

-Skyler101
 

masterjedi322

Master Member
RPF PREMIUM MEMBER
Hi, Last year I made a batman cosplay using eva foam based on the Pattinson movie which I didn't get to finish unfortunately. I want tp reattemp it using the molding and casting technique which I've seen a lot on the internet and the results seem visually better. The thing is that I don't know Jack about it. Especially in the material department. I've heard some people mentioning polyurethane, silicone, resin, latex, fiber glass, or sometimes mention them but they call them "liquid", latex foam and more. So which am I supposed to use for cosplaying? Or does it depend on what am making? If am making let's say a red hood armor or a batsuit, do I use the same material to cast the whole thing or does the helmet/cowl require a different one? If yes, are there other pieces of the cosplay that require a different material? Does the props so too? What about the mold? Am I supposed to use the same stuff for both the mold and the cast? Please enlighten about this whole making cosplays by molding and casting things!
Your help will en appreciated.

Ps: Before anyone says that it's too complicated or that it's too soon for me to try. Well everybody starts somewhere. Also, after accidentally destroying my foam torso pieces last year and having to redo them over 10 times I am patient enough for anything!
If you’re looking to invest some money, the Stan Winston School has a variety of courses on mold-making and casting - Stan Winston School of Character Arts

Sean
 

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