Design fab-ready stackups in minutes, not spreadsheets.
StackupLab walks you through layer count, via technology, build-up splits, copper weights and materials — then emails you a clean PDF specification you can hand straight to your fabricator.
Start your stackup →Free · Email delivery · No account needed
Visualize every layer
Scaled cross-section with copper, prepreg, core FR-4, coverlay and real thicknesses rendered to spec.
Through-hole to any-layer HDI
Pick your via technology, define the build-up split, and see blind, buried and laser microvias drawn correctly.
Rigid · Flex · Rigid-Flex
Each construction profile gates material, finish and copper-weight options to what actually ships.
Fab-ready PDF
Project title block, cross-section diagram, and layer table — emailed to your inbox, ready for your fabricator.