Plastic Injection Molds
GPTMOLD designs and manufactures custom plastic injection molds for optical, automotive, electronics and industrial applications. Tooling choices are guided by part geometry, material, surface requirements and intended production.
Injection Mold Categories
Select the topic closest to your part or project stage.
Optical Molds
Precision tooling for lens and optical parts, with attention to geometry, surface finish and appearance.
Automotive Molds
Molds for automotive plastic components, designed around part fit, appearance and intended use.
Electronics Mold
Tooling for electronic housings and precision plastic features, including mounting details and part fit.
Unscrew Molds
Rotating-core tooling for molded threads and features requiring controlled release from the mold.
Two-Shot Injection Molds
Tooling for parts that combine two materials or colors in a coordinated molding sequence.
Gas Assist Injection Mold
Mold design for hollow sections and thick-walled geometry using gas-assisted injection molding.
Optical Mold Inserts
Precision inserts for optical molds, specified around component geometry and surface requirements.
Quick Mold Prototyping
Prototype tooling and sample trials to assess part form and tooling choices before scale-up.
Pilot Production
Limited-run molding to evaluate part quality and process readiness before wider production.
Related Reading
Technical articles on plastic mold making and export tooling.

















