Metro Plastics Offerings

Complex Undercuts / Advanced Core Pulls

Utilizing Metro's rapid manufacturing of plastic injection molds, slides, lifters, or core pulls allows the part to be exactly how you need it in production without any secondary machining steps to create your final geometry on the prototype-level part.

Sharp/Square Corners

Some production intent parts have geometry requiring sharp/square corners. Metro's rapid injection molds are constructed in a way that makes this possible. Metro Plastics goes one step further than using standard cutters to machine the geometry in the core/cavity of the prototype mold. Metro can use multiple methods to create these vital sharp corners; utilizing mold inserts, slides/lifters, or the typical EDM process. In the end, you will get the part you need to verify the design.

Deep Ribs

The goal for larger or complex parts is to minimize part volume; which, in turn, minimizes part cost (due to the use of less material). Ribbing is an excellent method to decrease part volume while adding strength to the part. Standard CNC cutters have limitations on rib depth. By utilizing core/cavity insert schemes, slides/lifters, or the EDM process, deep ribs can be created to meet the part requirements.

Intricate/Detailed Geometry by EDM

Small or detailed geometry can be rather difficult to achieve with the standard CNC milling operation. By using the EDM process, extremely complex geometry can be generated.

Part Size

Our rapid tooling capability virtually has no size limitation. Parts as small as a raw material plastic pellet and parts as large as a golf cart body may be achieved.

Plastic Material and Color

Metro's rapid tool manufacturing has the capability and readiness to obtain the engineering grade resin your project requires. Material may be procured by Metro Plastics or acquired from your own inventory.

Many companies today have a specific color requirement. Metro will obtain the exact color required by using Pantone designations or a color sample provided by the customer.

Click Here for examples of complex geometry by Metro Plastics


Metro Plastics Technologies' core business is custom injection molding. We are experts in tool design and quality with the intent to make molds last as long as possible for a production scenario. We also understand that prototype injection molds are necessary in most applications to prove a design before building a multiple cavity production mold. With that being said, the prototype mold must produce exactly what your production intent is with no limitation.

Design verification is the number one reason for a prototype injection mold. Many other rapid injection molding sources have limitation to their own capability. By utilizing our multiple global partners, Metro virtually has no limitations as long as the piece is injection moldable in the first place.

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