How To Make Soft Plastic Lure Molds – A Step by Step Guide


Since their inception, plastic lure moulds have greatly influenced domestic fishing. They are not only easy to use but also customizable and usable repeatedly without the fear of being predated on.

However, the buzz in using plastic lure mould highly depends on whether you can devise and improvise your lure or not. A homemade lure guarantees an adequate time to tinker.

You are free to experiment with different designs, configuration and colouration at your disposal. You can go the extra mile to achieve a killer design that will not miss out in your bag any fishing day.

Soft plastic lure moulds are mainly made from plastisol, a unique form of vinyl plastic. By manipulating the ratio between the plasticizer and resin, you can change the durometer of the mould to come up with either a hard or a soft mould.

Here is a systematic procedure on how to make your first lure mold:

1. Choose the materials

For first-timers, domestic fishing mould may seem a little daunting to make from the basic elements at home. However, with the help of some materials, there is no doubt that you will find this process easy. Here are some of the materials you will need for this process.

Liquid Vinyl Plastisol

This is the most important and cardinal element that you must have. Vinyl plastisol comes in a liquid state. However, when heated to a temperature of about 325 degrees Celsius, it cools and becomes solid. Vinyl plastisol is ideal for almost all designs of homemade moulds. It works best for finesse baits and drops shots. You can check it out in most online stores for direct shipping.

Worm hardener

A worm hardener works hand in hand with the liquid Vinyl plastisol. It acts as an additive that makes the resultant worms tougher and harder. You can alternate the volumes of worm hardener and soft plastic to achieve a desired hardness in the resultant mould.

Worm coloring

Colouration matters a great deal when it comes to designing your homemade mould. For customization, this material comes in a wide range of colours that are ideal for creating any type of mould. Modern worm colouring comes mostly in 1 oz. dropper bottles for easy application.

Worm glitters

Glitters are categorised as small, medium or standard depending on the size. For lures, medium glitters that feature fine course is usually the best.

Worm making kit

An ideal worm making kit comes with everything to jumpstart your domestic lure making the process to the end. Some of the essentials in the kit include trays, spray and the mould. Before walking from the stores, check-in the kit and verify whether these essentials are intact since they define the whole process. Otherwise, for heating, your kitchen microwave is ideal.

A lure

Designing a plastic lure out of nothing is not a walk in the park. You need at least an already-made lure of your preferred design to help you with navigating through your preferences.

2. Prepare the resin

Before preparing your resin, check on the surface of its bottle to ascertain whether it is what you wanted. Any unwanted liquid can easily affect your mould’s hardening.

The worst is that you cannot mend your lure without breaking it once it has cooled and became harder. Additionally, remodelling will only result in inconsistency more so when it comes to colouration.

Go ahead and wear protective gear for both your hand and the eyes. Vinyl plastisol is a dangerous liquid that has a diverse effect related to allergic reactions when it lands on your body surface. Make sure to be in a well-ventilated room.

3. Carefully place the mould on a heat-resistant surface

Open the kit and withdraw your mould. Put it on a kitchen pan or any other heat resistant surface. You can then proceed and apply the spray over its cavity.

By spraying, you will be preventing your resultant lure from sticking to the cavities hence easier removal. Otherwise, the number of cavities on your mould determines the number of lures you are able to make at once.

4. Fill the cavities with liquids

Check on the manufacturer’s instructions on rationing between the Vinyl plastisol and the hardener. Going by the ratio, pour the two liquids in a microwave-safe cup and stir to mix.

Having attained a uniform solution, transfer the two liquids inside the mould’s cavity until it is full. You can use a spoon to spread out the mixture for a required uniformity.

5. Insert the mould inside a microwave

Heat the mixture in 30 seconds increments until your temperature reads 325 degrees celsius. You will realize that, as the Vinyl plastisol and the hardener heats, it grows thicker and thinner.

Keep your focus on smoke generation. Any resultant smoke signifies burning. Therefore, whenever you see a cloud of smoke, withdraw the mixture from your microwave as fast as possible to prevent an explosion.

6. Remove the mould

Use a potholder to remove the mould out of your microwave. You should observe a clear liquid that is uniform and thinner. Add the scents and colouration before suspending the glitters on the surface of your liquid.

7. Re-heat the mixture

Re-insert the mixture in your microwave and heat high for about thirty seconds. This is mainly to allow for the flavours, colours and glitters to form part of your liquid. Metallic glitters can cause a fire. So practice caution.

8. Time for pouring

Beginning with the thinnest part (the tail) slowly pours the liquid into the mould uniformly until it fills. Make sure that there is no bubbling. Also, you must constantly stir the mixture to keep the glitters suspended for an ideal look.

Let the mixture to cool without any disturbance and remove it by turning it upside down while pressing the bottom side of the mould. Once your lure is out, wrap a foil over it and leave to cool overnight.


It takes time and effort to make a lure mould of the desired quality. On your first attempt, be sure of coming up with a wrinkled or bent lure. Soaking the lure in a liquid attractant called Jack’s juice can help you eliminate this. Otherwise, expert moulders can make lures from any kind of plastic or resin.