Molds & Tooling

Triangle Tooling

Triangle Tooling is part of the Plastek Group. Based in Erie, Pennsylvania they design and build molds for plastic manufacturing. Since its founding in 1956, Plastek has grown to become a global supplier for many of the world's top companies, with manufacturing sites in the US, UK, Brazil, and Mexico.

Engineering Team

Their experienced and knowledgeable cross-functional group of engineers covers multiple disciplines to ensure they provide the most comprehensive results. Their team will bring concepts to life by creating fully functional prototypes and production tooling processes. You can have confidence that the product they ultimately develop will provide the right solution for your business. 



Mold design is a Plastek specialty. The Triangle Tooling in-house team implements the most advanced concepts and practices when creating custom products for your company's needs. They have diverse backgrounds and unparalleled expertise when creating molds that meet your specifications. They also utilize advanced software solutions throughout the process which enables them to make informed decisions:

  • Mold Flow/Mold Cool
  • AutoCAD Mechanical Desktop
  • Simulia Abaqus
  • Pro Engineer (3D Mold & Product Design) 
  • Expertise Mold Designers
Check out their tool shop in the video on the left.

Innovative Solutions

Triangle Tooling offers several different Mold Design options including

  • Single Face Molds
  • Bi-Injection Molds
  • Unscrewing Molds
  • Injection Blow Molds
  • 4 Faced Cube Molds
  • Insert Molds
  • Collapsible Cores
  • Hot Runner Systems
  • High Cavitation Stock Molds
  • Living Hinge with In-Press Closing

Accurate & Precise

The Triangle Tooling team has created a First Article Process to ensure their production processes and methods create an acceptable item. The process encompasses a thorough review of all applicable documents, including drawings, purchase orders, and engineering specifications. This information provides irrefutable evidence that all procedures are validated, understood, and verified.

Specific examples of what the First Article Process entails include a review of dimensional characteristics, such as size, shape, and feature locations. It can also involve various inspection and testing steps to verify the findings and provide more certainty.