Mold Geometry & Shrinkage
Vacuum / pressure sheet thermoforming & heat-press mold engineering toolkit
Input
Part length
mm
Part width
mm
Part depth (draw)
mm
Draft angle (per side)
°
Corner radius (inside)
mm
Sheet thickness
mm
Material shrinkage
%
Calculate
Result
Preview
Export PNG
Export SVG
Mold dimensions are enlarged by the shrinkage rate.
Thermoformed parts need at least a small draft to strip from the mold.
Educational / preliminary engineering estimates.