5 Mold Making Techniques to Rule to World

How to Use Different Mold Making Methods

The purpose of mold making is to duplicate your creations either in the same material the original is made in or into another material. But first you have to make your mold. The mold making process is very versatile, so you can choose how you do it based upon what your master object is shaped like. Typically, you don’t want to make your mold any more complicated than you need. Here are 5 techniques that can be used:

1.       Pour Block mold method: This is the go-to method. Because ComposiMold is clear. You can always make it into a cut block mold. The technique is a simple: place your master into a mold box and pour ComposiMold over it. It gives you a sense of what the mold will look like, and you can always re-melt it and make it a different way.  If your part is lightweight and will float in water, hot glue it to the bottom of the container.

Pour Block Mold Making Technique

2.       Cut block mold: Almost as easy as the pour block method. Make a pour block method and then cut out your master where you want the parting line to be. Because ComposiMold is a clear rubber that you can cut with scissors or a knife, we just pour it over the part, allow the ComposiMold to cool, and cut the mold in half. Sounds easy, and for the most part it is. You will still have to worry about where to make the parting line and keeping the part together while casting the new piece. There is no reason why more complex molds with three or pieces cannot be made using this same techniques.

 

3.     The Press Mold: With ImPRESSive Putty, just press your Putty over the part you are molding. The nice part about the rubber molding putty is that you don’t need a mold box. However, you will lose a little detail on the corners.

 The Brush-on Mold or Paint on Mold: Paint-on molds are made by painting the molding material directly onto a model’s surface. The advantages of a paint-on mold are that it is possible to use less material and you can mold parts that you could not do with a typical molding process. An example where you may need to use a Paint-on mold is making a mold of something attached to a wall.

5.       2 Part Mold Making Method: In many cases, it is best to prepare the mold in two parts. This may be because there are specific undercuts that you need to mold around, you want to make a parting line that is not straight, or you want a three part mold. The two part mold is well suited for dramatic undercuts that would leave spaces or voids in your mold. Use clay or polymer clay to build up around the figurine. Build up the area to the point where you want the parting line in the mold. This parting line is selected to allow the mold to be separated easily. After the clay is completed, lightly cover the master part and clay with a mold release. Pour ComposiMold over the Master and clay to make the first half of your mold. When the ComposiMold has solidified, pull off the first half of the mold, flip your Master and pour ComposiMold over the part again being sure to have mold release in between the layers, and in larger molds chill your first ComposiMold half before pouring the second. After the second ComposiMold half has solidified, pull it off of the Master. Pull out the Master part from the mold. You are now ready to make your casting.

 

Two Part Molds Mold Making Techniques

For a much more in depth methodology, please download your copy of the “Setting You Up For Mold Making and Casting Success” at http://composimold.com/Ebook.html

Mold Making Techniques

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How to Use Epoxy for Mold Making and Casting

Epoxy is a plastic casting material. It begins as a liquid but becomes hard over time by curing.

Typically epoxy is a two parts mixture: Part one is the resin and Part two is the hardener. Epoxy works excellent as a casting material, and it  is also used for composite structures such as aircraft, surf boards, fishing lures, and some building work.

The advantages of epoxy include strength and ease of use. Most epoxy casting material for home or small scale use cure at room temperature and most epoxies are simple equal part mixtures by weight or volume, and unlike urethanes, most epoxies work very well as a casting material when small amounts of water is present.

To start casting with epoxy, the first step is to make a mold. There are a variety of mold making materials available on the market including silicone, latex, and wax based products, and if you are new to mold making and casting, using a reusable mold making material will enable experimentation and reduce costs and frustrations.

Because epoxies are versatile, a variety of mold release material can be used to ensure that the epoxy cast does not stick to the mold. Vegetable oil, mineral oil, or soap work effectively for small scale

productions, but for larger scale productions or composite work, mold releases made specifically for epoxy are recommended.

Mix the two parts of epoxy together completely by stirring. After mixing thoroughly, pour the epoxy mixture into the mold and let stand until solidified.

Filler materials are used with epoxy to give the cast a different appearance and properties. To make a stronger cast, glass fiber fillers of up to a quarter inch long are used. To give the mold a unique appearance or to take up space, talcum powder, wood sawdust, sand, or many other materials are used.

Epoxy is a versatile casting material that will enable you to create your own unique products and castings from your molds. To learn more about mold making and casting with epoxy, visit www.ComposiMold.com

For More Information Visit: www.ComposiMold.com, www.Facebook.com/ComposiMold, www.YouTube.com/ComposiMold To Order ComposiMold Products Visit: www.store.composimold.com

Fondant Dump Truck Cake Topper Made in a ComposiMold

Follow the steps below to learn how to make a traditional 2 Part Mold so you can duplicate all the sides of the object you are molding! We used a fondant type material called Mexican Paste as our casting material that came in a powder form. Simply add water and mix, cover and let stand over night, knead and then press into your mold. It hardens very well which makes it easy to de-mold from your ComposiMold!      (You could definitely use chocolate in this mold as well!)

Supplies:
ComposiMold-FC, 40oz.
Mexican Paste or Your Favorite Fondant
Veggie Oil Mold Release
Heat Safe Containers
Polymer Type Clay
Edible Food Paints to Embellish Your Casting

Instructions:


You can also use this same technique with pourable casting materials: (great for liquids like resins, plaster, wax, or chocolate)

Semi-hollow casting: Follow steps 1-7. At step 8, instead of pressing your casting material into your mold halves, you will pour or brush your casting material into the halves. You can then align your mold halves, tape them together and rotate the mold to coat all the interior walls of the mold.

Solid casting: Add a "sprue" in step 1. A sprue is a channel that you create in the mold to pour your liquid materials through. You can make this sprue with a piece of coiled clay stuck to the side of the original object. This shape will become part of your mold. When you get to step 8, you will align and tape your mold halves together, pour your liquid casting material down into this sprue and let cure. Once your casting material has solidifed you can demold it as instructed above and snap off any material that cured in the sprue. 

 For More Information visit: www.ComposiMold.com