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Design Guidelines
Side action support for simple undercuts
The Protomold process supports simple undercuts in your part geometry. Here are some specifics you will need to keep in mind:
- The maximum side core dimensions are summarized in the following tables:
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≤ 8.419 in |
≤ 2.377 in |
≤ 2.900 in |
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≤ 213.84 mm |
≤60.38 mm |
≤73.66 mm |
- Our process can support up to four side actions per mold, and they all need to be at the parting line. Side pulls must be perpendicular to the primary (A-B sides) pull direction.
- Side Action molds that support simple undercuts are available with our standard lead time of 10-15 business days. In some cases faster deliveries are available.

A side action used to create a through-hole undercut feature
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