One-time iPhone and iPad app

Turngrain: Bowl Studio

Follow green blanks through rough turning, weight checks, drying, remounting, finishing, and final yield.

Built for the Work

Catalog blanks, calculate rough-wall targets, record weight loss, watch drying stability, plan remounts, and export a bowl card.

Core Tools

  • Blank lineage with species, source, grain, defects, dimensions, and storage
  • Weight-loss history and recent stability calculations
  • Diameter-based rough-wall starting point and remount notes
  • Local PDF turning card for the rack or workshop archive

Private by Design

Turngrain has no account, ads, tracking, analytics, subscription, or developer-operated backend. Records stay on your device unless you intentionally export a PDF through the iOS share sheet.

Product Boundary

Turngrain organizes user-entered woodturning records and estimates. It does not assess structural integrity, prescribe lathe speeds, certify dry wood, operate machinery, or replace current tool, guarding, PPE, dust, finish, and equipment guidance.