I Built a Free Packaging Calculator for Custom Pouch Buyers I recently built PouchCalc , a free packaging calculator and dieline request tool for custom pouch packaging projects. Why I built it In custom flexible packaging, many mistakes happen before production starts. Buyers often begin artwork before confirming: pouch size bottom gusset material structure mylar bag thickness zipper position valve position dieline layout This can cause wrong dimensions, poor shelf display, artwork mistakes, and production delays. I wanted to create a simple tool that helps buyers, designers, and small brands plan packaging before requesting a quote or sending final artwork.…