Undercut Features in Thermoformed Parts

Undercut Features in Thermoformed Parts

Undercuts are recessed features in a thermoformed plastic part that, in thermoforming, prevent its ejection from the thermoform mold. These part features commonly provide a fastening point or locating edge for mating parts, such as with snap-fit assemblies, lids, or...
Thermoforming Draw Ratio

Thermoforming Draw Ratio

The goal of heavy-gauge thermoforming is to produce a part with as close to a uniform wall thickness as possible. As a part designer, you’ll need to specify a target wall thickness so that your thermoformer can select a plastic sheet with the right starting thickness....