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Most candle makers find using molds the simplest yet most versatile way to make candles. Candles can be shaped into just about any imaginable using the appropriate mold.

There are two concepts that need to be considered when evaluating a candle making mold and shape. These characteristics are draft and undercut.

Let’s talk about draft first. Draft is the degree of taper in a mold. This taper makes it possible for the finished candle to slide out of the mold when it has hardened.

Molds with parallel sides also work because wax shrinks enough as it cools to allow it to slide out of the mold.

Undercutting is another term you should be familiar with. An undercut is a protrusion or an irregularity in the side of a candle that would keep it from sliding out. You have probably seen candles shaped like Christmas trees. All those branches represent undercuts.

If the form you want to make has undercuts, you can’t use a one-piece solid mold. There are two ways of handling the situation. One answer is to use a mold with multiple parts that can be separated after the candle has hardened. Another approach is to use a very flexible mold that can be stretched to allow removal of the finished candle.

Two-part molds work well for making candles that are symmetrical. You could also use a flexible mold, but it isn’t required for this type of shape and rigid multi-part molds are more durable. In use, the candle maker clamps the pieces of a multi-part mold together, seals the seams to keep wax from leaking and then uses it as if it were a solid mold.

The other way to deal with the problem of undercutting is to use a mold made out of a very flexible substance that can be stretched off the candle much the way you might stretch a latex glove to remove it from your hand. These molds are often made of silicone or rubber or other plastic materials.

A great resource for information on this subject is: Candle Making Molds

While you’re there, definitely sign up for your free candle making mini-course. You may also want to check out:

Candle Making Wax

I think you’ll be surprised at just how many options there are!

May be the best advice I can give you that will help you save time and money and avoid frustration is to check out Home Candle Making Made Easy

That book will help you avoid all the mistakes beginners typically make and have you producing flawless candles from your first attempts.