8mm Sphere Mould Duo

(3 customer reviews)


8mm sphere mould duo for making pearls, orbs and spheres. You can make two orbs at the same time for this mould, ideal for resin and making breastmilk earrings etc. Handmade silicone mould with pouring spout for overflow. Ideal for making pearls with resin, polymer clay or concrete. You can include your clients’ elements or inclusions such as breastmilk, lock of hair, umbilical cord and placenta or cremation ashes.

Perfect for use with our handmade 6mm domed headpins.

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8mm sphere mould/mold for making pearls or orbs, this is a duo so you can make two orbs in one mould: ideal for earrings! Please read our full Terms and Conditions and FAQ page before ordering.

How to Use A Sphere Mould

You can read our full blog here on making a forget me not pearl here with all the links for the products you’ll need. You can use UV resin or epoxy resin (epoxy will take a day or two to cure). Perfect for use with our handmade 6mm domed headpins. Here’s the YouTube tutorial video

Setting 8mm Sphere Casts

If you can carefully sand down the pouring spout and dome with a little fresh resin (we recommend UV resin) to make the hole as invisible as possible, then you can set two sphere in a wire cage earring setting. You can buy wire cages on Etsy or you can custom make your own. Here’s a great tutorial from Lan Anh Handmade

You can also buy beautiful pearl cages like this Etsy angel wing pearl cage.

angel wing pearl cage
angel wing pearl cage

Using Silicone Moulds

Because they are made from water-clear silicone, our moulds (molds) they are ideal for all types of resin including UV curing resin. No need for polishing or sanding. We use a strong but flexible high quality silicone and each mould is hand made and checked.

Simply mix your resin with colours, sparkles, flowers or your clients’ elements or inclusions like breastmilk, lock of hair, umbilical cord and placenta or cremation ashes. Then add to the mould and cure in the usual way. Or you can add your resin to the mould before adding elements.


If working with UV resin we recommend you work in layers to achieve beautiful depths of colour.

These moulds are suitable for use with resin (UV resin, EcoResin, epoxy resin or polyester resin), concrete, polymer clay (air drying, heat curing such as Premo and Sculpey). We recommend removing the polymer clay from the mould before baking if not using air drying clay although they can be heated up to 130°C. To remove unset clay without warping it, we recommend cutting the mould vertically around halfway down. Although we use a food-safe silicone, we don’t recommend these moulds for use with food due to the manufacturing process.

Mould Life and Care

These moulds are sold for semi-permanent use and will degrade with use. This is normal and not classed as a fault. Please see our mould care information for more info. The life of your moulds will depend on the material used, the number of uses, how gentle you are using it, good storage, careful washing and environmental factors.

Test Cast

It is very important you do a test cast with each mould to check for imperfections, to remove any dust attained during transit and to make sure you are comfortable using the mould before making any jewellery. We advise you use UV resin for this and coat the inside of the mould in resin before curing, removing and making a visual check. If there is a problem with the test cast please get in touch within 7 days of receipt.

Settings and Findings

We recommend that you do not overfill the mould but allow a little extra resin in the pouring spout for bubbles to rise and to provide a grip to remove the cast. You can usually trim the excess before sanding, dome with resin if required.

Finish by half drilling and gluing in a bail or a fully drilled setting (recommended for safety). Although a 6mm dome is recommended to cover the pouring hole, we cannot guarantee a perfect fit/coverage due to the handmade nature of the moulds and differences in cutting/sanding the casts and doming. Each mould will be slightly different in pouring spout size. If you are unsure please order a single mould to test, make a test cast and finish to check your settings.

Contact Us

If you have any questions please email us on keepsakersupplies@gmail.com or get in touch on our Facebook page Keepsaker Supplies (click here).


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Additional information

Weight N/A
silicone type

water clear


8mm sphere


268mm cubed


normal, seconds

3 reviews for 8mm Sphere Mould Duo

  1. eleesha1992 (verified owner)

    Not had chance to use yet but looks just as good as the others I have used. Think I underestimated how small 8mm was though haha but that’s my own fault x

  2. underthepalemoon (verified owner)

    Great mould, easy to use. Prefect for a delicate pendant

  3. r.deveau96 (verified owner)

    Great mold! I love how it’s translucent so you can see how full it is while you’re working.

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