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40 years by your side, from designing to prototyping


Modelleria Zuin crafts functional or aesthetic mechanical prototypes from the 3D geometries of complex parts. All of this is built using Toolless techniques (without the use of forming equipment) allowing both start-up costs and technical lead times to be kept to a minimum.

Here's a list of some of our prototyping techniques:

Quick Sand Casting is the technique by which metal castings are cast directly into the final alloy, according to classical foundry processes. This ensures the best replication of the mechanical features of the prototypes that come to be fully pre-production items.

Selective laser sintering (SLS) is a rapid prototyping technique that uses building material in the form of granular powder, and binds the granules together through laser sources, generating solid shapes (not perfectly compact, due to residual spaces between the granules). To achieve consistency and ensure hydraulic tightness, items made with such a technique must be infiltrated or impregnated.

Microcasting, also known as lost-wax casting, employs sacrificial patterns identical to the geometries of the part to be produced in metal. Sacrificial models, commonly known as waxes, are crafted from special materials that are designed to liquefy and burn at relatively low temperatures and leave no ash.

We supply monolithic cores to make complex castings (with water jackets, hydraulic, pneumatic, or cooling circuits, etc.).

Direct metal laser sintering (DMLS) is great for producing metal, complex items with undercuts and cavities. Some of the materials that can be processed are: aluminum, carbon steel, die steel, stainless steel, and titanium. This type of machining makes it possible to craft items almost completely free of layering marks, with a very high level of surface finish.

Stereolithography is a rapid prototyping technique that allows obtaining a model of the workpiece without having to manipulate its 3D geometry.

By CNC milling, it is possible to craft objects in a wide variety of materials, from a block of the chosen material, and shape them with milling machines working on machining centers (milling cutters) that move along 3, 4, and 5 axes.

Silicone Molds are used in a micro-manufacturing technique called “soft tooling” since the mold is made of soft material. This process is essentially based on making a silicone mold from a “master” item. When the silicone hardens around the master it makes it possible to remove the master, which leaves a hollow mark, creating a mold that can be filled with casting resins.

Thanks to specific assembly and structural gluing strategies, our sintered plastic items have no real dimensional limits. Large objects can be broken down into sub-parts equipped with mechanical joints (dovetail type) that are re-assembled with structural epoxy and refined with fiberglass mesh to ensure superior strength of the cutting area. Such work strategies enable time and cost optimization as well as optimizing the inherent deformations in thermoplastics processing.

Other than making nylon prototypes with carbon fiber from 3D printing, we can also make high-quality real carbon fiber items. These parts are obtained by molding carbon fibers in two ways as shown below:

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Products by Modelleria Zuin

Summary of our services


With highly integrated services that involve rapid prototyping and high-speed CNC milling, we can make the path to your successes faster and smoother, enabling you to quickly develop increasingly sophisticated products, at a competitive budget.


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