End Grain Chopping Board Calculator

Now includes round-up sizing, strict per-stage allowance toggles, printable cut list, and PDF export via browser print.

Override (default is starting thickness)
Enable strict shop mode (per-stage allowance toggles)

PDF export uses your browser print dialog. Choose destination: Save as PDF.

Assumptions (v3):

Round-up applies to derived size outputs using your selected increment. Kerf remains exact. In strict mode, allowance application can be toggled per stage; outside strict mode, all allowance toggles are treated as on.