Mold Troubleshooting Question (Rebound 25 + Plasti-Paste)

TheC0lonel

New Member
Hi all!

First time poster and first time mold-maker, here.

I've been making a mold for the first time out of Rebound 25. It looks good so far--thickness is good, no holes, no inhibition, no spontaneous combustion.

I did notice one thing, however. While I was making the mold, some of the goop dripped away from the underside of one of my registration keys, like so:

2016-05-09 18.23.05.jpg

(on a side note, I think that fleshy blobs of cancer-plastic might feature prominently in my future nightmares)

The good news is, that hole doesn't go all the way through. However, I think that once I make the mother shell (I've selected plasti-paste for this), some material might get stuck in that crevice. This suggests three courses of action, which is why I'm polling the community.

1. I'm overreacting, and I can apply the paste without any worry or special forethought.

2. Maybe I should mix up a tiny extra bit of silicone and wedge it in there to plug the hole? (I also had the crazy thought that I might stuff some tinfoil in there, like a filling).

3. Using an exact-o knife, trim down material on either side of the cavity until it is shallower.

What should I do here? Am I doomed? Is this fixable? Am I definitely going to have goop-nightmares?
 
Last edited:
For easy registration keys, I use my paint palette. Fill it with some silicone and apply it on with silicone after I applied the beauty coat and a layer or two.
 
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