Blow Molding Design Guide

An Insider’s Guide to Blow Molding Design

Blow Molding Design Guide


This guide contains information and diagrams specific to the blow molding process that will help you develop a solid understanding of several important design and material property factors to consider when developing a blow molded part. Just fill out the form below and we’ll send you a link to the guide today!

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Insider’s Guide to Blow Molding Design


There are a number of things that can go wrong when you’re designing a part for custom blow molding. This guide will walk you through some of the chronic and tell-tale design issues that blow molding suppliers wish you knew. Learn how to optimize your design for the blow molding process in the following key design areas:

  • Drafts
  • Blow Ratios
  • Radii & Corners
  • Ribs & Tack-Offs
  • Shrinkage
  • Insert Molding
  • Texture
  • Pinch Design

How do you know your part is a good fit for your blow molding manufacturer? This guide contains criteria and filters that you can use to pre-qualify your design and avoid wasting your time. Simply fill out the form on this page and we’ll send a copy to your inbox immediately!

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