20mm sphere mould or mold for making pearls or orbs. 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. Perfect for use with our handmade 6mm domed headpins. We recommend you only use epoxy resin (epoxy will take a day or two to cure) because these spheres are too large for UV resin. Here’s the YouTube tutorial video
Setting 20mm Sphere Moulds
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 the sphere in a wire cage. You can buy wire cages on Etsy or you can custom make your own. Here’s a great tutorial from Lan Anh Handmade
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.
20mm Sphere 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.
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.
If you have any questions please email us on email@example.com or get in touch on our Facebook page Keepsaker Supplies (click here).
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