Silicone molds for crafting & how to make resin art with the molds are so rewarding. Because silicone molds have an incredible range of applications in the crafting world. Whether replicating the grandeur of cast stones or the delicacy of resin-cast picture frames, the principles are and remain remarkably similar. Even if they are Small or large, the process of translating a vision into a tactile object through a mold is rewarding.

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Silicone Molds For Crafting. This photo shows the top half of a 2 part mold.
Sphere pieces being made using clear shell materials to show the principle poured in 2 halves with locating lugs Courtesy Smooth-On

Design Of Your Piece Is The First Step In Making Silicone Molds For Crafting.

The first step in making any of the different items in the resin, wax or soap world, comes down to crafting models. Miniature models for jewellery, soaps, key fobs, paperweights,  chocolate bars and candles among others, or larger pieces like picture frames, or tables. This is where vision and adaptability are key when shifting from robust and larger objects of the cast stone world. Next

Where to begin?

 To start with a good picture or CAD drawing of the final piece or just working from the imagination of the mind. In today’s world, we now have the opportunity to use 3D printers for this task if we have the nohow to draw it in the software. In the past using broken pieces of products found in stores like TJ Max and building the models up from them, cutting or carving additional details. Good prototypes are the foundation of any excellent mold so it’s best to keep working at it until you are really happy with your original handmade or 3D-printed piece. Then

Making Your Model For Silicone Molds For Crafting

The material choice for your model plays a significant role. And whether you’ve opted for wood, plaster, or modelling clay, each medium holds the potential for crafting precise and detailed prototypes necessary for quality silicone molds for crafting. And the substance you choose can directly correlate with the depth of detail you need to capture, so select wisely based on the intricacies of your intended design. When

Sculpting.

Employing a steady hand and a careful eye, you can transform a block of wood or lump of clay into an exquisite model. This level of detail doesn’t just happen—it’s the result of practice, time and precision, something to work for when crafting any piece. A good set of model wood & clay carving tools would be really handy here, or a rotary tool like a Dremel.

Avoiding Repairs.

Prototypes are more than just a blueprint; they’re a part of your imagination and concept. And as you work through making each model, you’re also refining your technique, identifying potential issues, and ensuring your final product will be as intended. Most materials, at this stage, can be repaired with various options, but it can set you back, especially if time is a constraint. And

When comparing cast stone to resin jewellery, the size and intricacy of the items do stand out. Essentially, smaller crafts demand greater precision. Dealing with minute details requires a steadier hand and an eye for the delicate intricacies that define the craftsmanship of many tiny pieces.

Silicone Molds For Crafting. Another 2-part mold being made.
wooden Box mold with sculptured figurines being pouredin 2 parts

Food Grade Silicone.

Variety doesn’t end with size and detail. Different tasks call for different types of silicone. Creating food-related items such as chocolate molds necessitates using food-safe silicone, which is necessary to adhere to stringent health standards. This distinction is crucial for both safety and quality. But

Final treatments.

Once you are completely happy with your model, but if your finished pieces require a high gloss finish, then I recommend spraying your model with a gloss spray paint finish or something similar. Some pieces also need sealing first too. This is not your final treatment of your model, but it is very close.

Silicone Molds For Crafting
Polytek Plat-sil 73-25 a silicone rubber for mold making

Choosing The Right Silicone For Your Silicone Molds For Crafting

Now it’s time to choose the 2-part kit for your silicone molds for crafting, the type of 2 part silicone you need for your project, all silicones do not normally need release agents when making your production pieces, with some exceptions & if you wish to extend your mold life,  but at the model stage a fine spray of silicone is needed before you pour your mold, a release agent that can be washed off of models and castings is best. Then,

Next, you must look at your model and think about the way it’s going to be best to pour your final resin or other material into the finished mold, and this is very important to consider before you pour your silicone mold, try to incorporate your pouring access in the least conspicuous place on the finished piece, or where you could easily sand and buff out any blemish.

Make An Outer Shell To Hold Your Silicone Rubber In Place.

You need to make an outer shell for your model, to hold the silicone in place while it sets. Some very complicated pieces need to be made in 2 or more pieces, so study up on that possibility. Some examples of that are shown in the top photo, the bumps and recesses on the pieces are to locate the pieces together correctly.

You may need to select a softer high-tear silicone for your pieces, Like platsil HTS- 25. Another consideration is to think about where air could become trapped as you cast your mold and maybe even your final piece. I have had to allow for air vents on many silicone-poured molds, small drinking straws can be helpful here and with the final resin-cast production piece.

Sealing Your Silicone Molds For Crafting

Remember your outer shell mold must be very well sealed at all points below the level of your silicone pour, otherwise, silicone will find it’s way the same as water and cause you many new challenges with clean, waste of or shortage of material or an incomplete mold causing you to start over. Now

The last consideration is how you position your model in its outer shell, does the final piece require all sides to be finished and visible, if so preparing your model to be suspended in its shell mold may be necessary, I have used fine fishing line for this task, but you can research other ways. Try and think about crafted ceramic pieces you may have seen and how the bottom, the unseen part is not finished the same or is covered with a different material or label. This is to camouflage the place where the piece was poured.

Your 2 Part Silicone Rubber.

Silicone Molds For Crafting
A candle mold being stripped of its original mold.

Follow the instructions for your chosen silicone, a quick spray of your model with a suitable silicone spray or other mold release agent, mix and pour, allow to set and carefully demold your piece, most small pieces may require an incision with a very sharp knife to help you free you model from its silicone shell. Save your model if possible, if not I would suggest that the first piece you make is with casting plaster or something similar, so you have a model to save, in case you need a new or 2nd mold of the same piece down the road.

Silicone Molds For Crafting & How To Make Resin Art.

Another aspect central to the versatility of 2 part silicone molds for crafting is the convenience they offer. It has been noted that many crafters appreciate being able to engage in their passion from the comfort of their homes. Setting up a craft station right on the kitchen table is certainly within reach, for both silicone molds for crafting and your resin creations in the small to medium-sized categories with the minimum of health and safety considerations necessary.

This accessibility opens the door to experimentation within the confines of the home. It’s the ability to practice pouring resins, attempting different patterns like marbling, or adding splashes of color to the resin that transforms a simple silicone mold into a masterpiece. The kitchen, surprisingly, becomes a studio where crafters can refine their art. Hot waxes and soap mixes may not be as suitable in a kitchen environment.

Mastering the Craft: Techniques for Perfect Resin Casts

Taking on resin casting can be a rewarding endeavour, whether you’re making jewellery, soaps, or candles the key to success lies in mastering the silicone mold-making techniques that enable you to produce flawless, visually appealing pieces. Much of this comes down to practice. The more you pour resins, the better your outcomes will be. Soaps, candles and some other mediums do not always require the same quality of finish on the model of the 2 part silicone rubber mold.

Selection.

 It’s now time to select the correct resins, colours and tools, containers, mixing sticks needed to create the perfect mix. Make sure you have a set of postal scales handy for weighing materials if that is what your chosen product calls for, “weight, not volume”

Marbling or Color.

Achieving effects like marbling or adding colors to resins injects uniqueness into every piece you create. To get this right, you need to not only mix your resin thoroughly but also understand how different colors interact with each other. Use minimal amounts at first to avoid overpowering your design, and slowly build up to the desired effect. Patience is paramount as you learn the intricate dance of swirling hues to achieve that perfect marble look. Or perhaps the metallic look is of interest. You do need to practice these techniques,

Mixing.

Let’s talk about mixing, especially when dealing with small quantities. Its now time to coat all your pots, mixing tools & any flat smooth working tops, with a little wax, it will let you use your pots several times and keep your work surfaces easy to clean. Precision is important not just for the mix but to avoid waste as well. You’re called to be meticulous right from the measurement stage, ensuring that you follow the manufacturer’s ratios to the letter.

Silicone Molds For Crafting
Scales for weighing your 2-part silicone rubber

When Working On Silicone Molds For Crafting & Resins Weighing Is Top Priority.

This isn’t a time for guesswork; weighing and using the exact quantities recommended can make or break the quality of your resin. Additionally, mix slowly,  even with a drill & mini-paddle, to reduce air bubbles, which can compromise the clarity and strength of your final product. Some products call for degassing, avoid this if you can or study how you can do that, a small vacuum may be adaptable for this task. The worst I have seen this effect is when using old product that has been left on the shelf with big amounts of air inside, just like wine, it goes off. Please don’t forget the mold release on your model.

Quality Review.

It should noted that most cast resin pieces can be buffed and/or polished to remove minor imperfections or to create a higher gloss finish with the right tools and materials. A benchtop buffer would be the right tool for this.

Silicone Molds For Crafting
A simple flat silicone is being taken apart and away from the model.

Safety Comes First When Making Silicone Molds For Crafting

Before you even begin, always remember: working with resins requires attention to safety. Make sure you’re in a well-ventilated area and equipped with gloves and eye protection. Read all instructions and safety data sheets before starting. Resins can be unforgiving, so treat them with respect and always read and adhere to safety guidelines.

Conclusion.

Remember, whether you’re mixing resins or carving details, consistency and attention to the minor points will yield the most impressive results. Embrace the learning process, and with each intricate miniature model, you’ll see your skills flourish. Silicone molds for crafting is an art—your art—and every unique creation is a testament to your dedication and skill.

Cast stone was sold by the cubic inch, here you could be talking cubic millimetres so a small amount of raw products might go a very long way,

Materials And Tool List. & Silicone Rubber For Mold Making

 

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Happy modelling and casting.

Author Rob

By Robby

One thought on “Silicone Molds For Crafting”
  1. Overall, this article is an inspiring resource for anyone interested in silicone mold crafting. It shows how techniques like marbling and color infusion can add a personal touch to art pieces, and encourages us to dive into this creative world with confidence and excitement. I may have to try my hand at some resin art soon.

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