The book's reference sheets, turned into 4 interactive calculators always at hand — at the bench or in the workshop.
by Manuel Puglisi & Maria Saramelo — Web App, immediate access after purchase
Get the exact hole and claw measurements for any stone size — no guesswork.
Know the safe minimum wall and prong thickness before you cast, not after.
Set the right burnout schedule for your flask size and material.
Spot the likely cause of porosity, shrinkage or incomplete fills fast.