Ask a beader about their most annoying purchase and you will hear about the tube that ran out mid-border — and the second tube of the wrong size that followed it. The shopping-list builder exists to make that story rare: it turns a chart's bead counts into a list you can actually buy from.
A line is a chart color plus its bead count. The builder then does the boring part, in order: the 10% spare — the spare the app adds to every chart — then grams by bead type, then tube counts in the shop's real sizes, and a thread or cord estimate for the craft. Nothing about it is clever; that is the point. Charts count beads, and beads are sold by the tube.
The app's Shopping tab runs the same rules straight from your charts — live, with shop codes, totalling every project into one list (that landed in Bead Bench 1.0.9). The browser builder is the free, no-login version of the same arithmetic: type the counts you already have from a printed chart and print the list.
Measure it twice, string something this week. — the bench crew