Thread: Skull Molds

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Every year I go out and buy foam skulls. This has got quite expensive since you seem to lose at least 2-3 a year for other projects or breakage. Does anyone know a good skull mold to buy and what is the best product to make the skulls.

I seen online that you can make them out of Greatstuff but I am not sure if this would be the best.

Any suggestions would help.

There are so many ways to make a skull mold. Here is a good tutorial by UnOrthodOx:

Static: Me Crystal Skulls - Page 3 - Halloween Forum

What would you like the castings to be made of? Plastic, plaster, foam?

I would say some plaster and some foam.

Here is what I have done.

I took a Bucky skull and made an impression using mold material such as: Lifecasting, Mold Making, Molding Materials, and Casting Materials from EnvironMolds
From the impression I can make as many casts as I want. I simply pour plaster into the mold, wait 24 hours and I have an identical Bucky skull. I've made about 25 so far. The plaster makes a nice white skull. I have cracked several skulls, but the beauty is a cracked skull also looks great!. I wish I had some photos for you, but everything is packed away.

I'm also planning on attempting molding some nice plastic skulls I picked up. I was intending to use the molders latex layed in gause. My intent is to anchor lag screws into the outer layers, then use Bondo and glass tape to form a rigid backing. My thought is to then fill them with Great Stuff (trying to stay cheap here) and once released paint over the form with latex.

Not trying to hijack this post, just sharing my thoughts and hopefully your replies if this technique is applicable to orion's question.

I bought a glue on mask from F/X of a skull. the packaging is clear rigid plastic,Ive been coating the inside of it with soap and filling it with sprayfoam.they come out looking like there carved out of stone.Im going to use them in my tombstones.

Originally Posted by Yubney

I'm also planning on attempting molding some nice plastic skulls I picked up. I was intending to use the molders latex layed in gause. My intent is to anchor lag screws into the outer layers, then use Bondo and glass tape to form a rigid backing. My thought is to then fill them with Great Stuff (trying to stay cheap here) and once released paint over the form with latex.

Not trying to hijack this post, just sharing my thoughts and hopefully your replies if this technique is applicable to orion's question.

The Mother Mold (the 'rigid backing') would be needed to use Great stuff. I would actually suggest a 2-3 piece plaster mother mold in that instance, but have made due with duct tape, myself, in the past.

You will also need a silicone mold release if you're using a latex mold. Ah, SOMEWHERE, I had a tutorial link for Great Stuff skulls....I'll see if I can dig it up.

I was thinking of using maybe something like Camp Dry which is a silicone spray water repellent for nylon tents. That or one of the automotive silicone lubricants you can get. I tend to avoid specialty products because often their pricing is jacked when it's the same thing just marketed differently.

I thought to use the laytex and Bondo because I already have those on hand.

Just check out Dr. Kreepy's tutorials on UTube:

YouTube- Dr Kreepys cheap Halloween projects. Latex skull mold.


YouTube - Cheap Easy skulls

Yep seen these and it gave me my idea for the spin on it I'm going to attempt. I always do things a little differently from everybody. NOW if only I can get my 16 year old to sit still long enough for a life cast using molten lead.