Newbie Question About Casting Pred Beads

[Lflank]

I don't wanna hijack Quakevirus's thread any more, so I'll ask here:

I want to try my hand at casting some pred beads. I'll do a few in clay, just to try it out, but my sculpting skills . . . well . . . suck, and what would work best for me as far as looks would be to use a short length of pvc pipe as a base and decorate by glueing bits and pieces of foamie to it, then use that to make a mold.

My question: will I be able to seal foamie enough, using the sealant stuff that comes with the Oomoo kit, to make a mold of it? I usually paint all my foamies with watered-down Elmers to seal it--will that still be OK to do? How about if I paint the finished piece with primer or something, will that help, or will the Oomoo just pull the paint off and make a mess?

Any advice would be appreciated.

 

[MasterAnubis]

Sealing it with Elmers is a really good way to go. Especially if your used to doing it that way.

The main worry with silicone is a mechanical lock. Much like velcro, the surfaces become locked on ther very small scale.
Sealing it fills in all the small pockets the silicone gets into on a surface and prevents this lock.

 

[made007]

I seal them with elmers, the first set i did were made out of bondo and a pvc tube

 

[Lflank]

Thanks, guys. That is indeed what I was worried about--that the foamie and the mold would sort of penetrate into each other and I wouldn't be able to get the mold off.

OK, I'll try it out with the Elmers and see how it goes.

Many thanks.