Silicone molds made from your drawing, not from a catalogue
A mould is a piece of tooling: it decides how the cast part looks, how fast you can demould it, and how
many cycles it survives. We build silicone moulds from 3D files, master models or existing samples, and
we build them for the process you actually run — wax, resin, ceramic slip, soap or food.
Four mould families, four different sets of constraints
The same silicone cannot serve a wax pour and a slip-cast ceramic body. Below is what changes between them.
Casting molds for wax, resin and soap
Thin-wall moulds with a high-detail inner surface. The priority is release: every undercut has to be
either removed or made flexible enough that the cast part comes out without tearing.
Ceramic and concrete molds
Heavier walls for a heavier casting body. We size the wall so the mould keeps its shape under slip
pressure, then add registration keys so repeated assemblies land in the same position.
Food-contact bakeware molds
Platinum-cure grades with the service temperature stated on the drawing. Used for cake, chocolate,
ice and pastry shapes where the mould goes into an oven or a freezer.
Technical and industrial molds
Gaskets, caps, grommets and seals produced to drawing. Here the tolerance, hardness and compression
set are agreed in writing before the cavity is cut.
What we change before the first mould is poured
| Design issue | What it does to the mould | Our fix |
|---|---|---|
| Zero or negative draft | The part grips the wall and tears on release | Add 1–3° draft, or split the mould so the part releases in one direction |
| Deep undercut | Silicone has to stretch past the feature | Open the undercut, or convert it to a removable insert |
| Wall thinner than 1.5 mm | Mould wall collapses or deforms in use | Thicken the mould wall, or reinforce with a rigid mother mold |
| Sharp internal corners | Air traps and short casts | Radius the corner and move the vent to the highest point |
| No registration feature | Two-part moulds drift and produce a visible seam | Add keys and a locating step to the parting line |
We send this list back with your quote. Nothing is cut until you approve it.
From your file to a mould you can run daily
File review
STEP, IGES, STL, PDF drawing or a physical sample. We return a feasibility note with the changes required.
Master & mother mold
A printed or machined master is finished by hand, then a rigid mother mold is built to hold the silicone in shape.
Silicone casting
The mould is poured under vacuum to avoid bubbles, then cured and trimmed. Wall thickness is measured against the drawing.
Test cast
We cast one part in your material and photograph it. You approve the release quality before we run the batch.
What to send us
- 3D file (STEP/IGES preferred) or a physical sample part
- The material you will cast — wax, resin, slip, soap, concrete, food
- Target output per week, so we can size the number of moulds
- Any surface requirement: gloss, matte, sandblasted, fabric texture
- Deadline for the first sellable unit
Missing a file? Send photos with dimensions and we will tell you what else is needed.
What it costs
Mould cost is driven by size, cavity count and how much hand finishing the master needs. Unit cost
applies only when we also produce the cast parts or the silicone products.
| Minimum order | {{MOQ}} pcs for products, 1 mould for tooling |
|---|---|
| Sample lead time | 7 days |
| Batch lead time | 15 days after sample approval |
| Tooling life | Stated per mould, based on your process temperature |
Custom silicone mold FAQ
Can you mold from a 3D print I already have?
Yes, as long as the print surface is smooth enough for the finish you want. Layer lines transfer into the silicone, so we usually sand and seal the master first — that step is quoted separately.
How many casts can one silicone mould survive?
It depends on the casting material and temperature. Wax and cold resin are gentle; concrete and hot casting shorten life. We state an expected cycle count per mould rather than a single number for all uses.
Do you make the mother mold too?
Yes. A rigid mother mold is normally required for thin-wall or high-detail moulds, otherwise the silicone deforms when you fill it.
Can I order a single mould for testing?
Yes. Most first orders are one or two moulds. Unit price breaks on moulds usually start around ten pieces.
Send the file, get the feasibility note
We reply with the design changes, material suggestion and mould cost. No obligation, no catalogue.