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Herivio-Books

Spec calculator, layout safety, ISBN barcodes, and print-ready PDF export for Herivio hardcover picture books.

Dimensions

Trim size
Book block
Margins & wrap

Paper stock

Format presets

Cover flat & layout

475.2 × 270.0 mm · spine 13.19 mm

BACKSPINE 13.19 mmFRONTHERIVIO475.19 mm × 270.00 mm · trim 210.00 mm × 240.00 mm
  • Wrap / bleed
  • Safe margin
  • Spine
  • Hinge / fold

Preflight

8 pass · 3 warn · 0 fail

  • Page count divisible by 4

    128 pages = 32 signatures of 4.

  • Page count divisible by 8

    128 pages align to 8-page signatures.

  • Safe margins leave usable type area

    Safe margin 10 mm keeps text/logos inside trim.

  • Wrap / bleed allowance

    Wrap 15 mm is appropriate for hardcover_casewrap.

  • Spine width calculated

    Spine ≈ 13.19 mm · 0.150 mm/leaf · 64 leaves.

  • Hinge / fold guides

    Left/right hinges 6 mm each between boards and spine.

  • Cover flat dimensions

    Flat cover 475.2 × 270.0 mm.

  • Image resolution ≥ 300 DPI

    No asset checked yet. Drop a PNG/JPEG to validate DPI (files stay in your browser).

  • Color space / CMYK readiness

    No media inspected. Target Coated FOGRA39 / ISO Coated v2 for EU offset. Upload a cover image to detect RGB vs CMYK hints.

  • Layout vs hinges / safe zones

    No placed elements, or none violate hinge/safe rules.

  • ISBN-13 / EAN barcode

    No ISBN set. Add one for back-cover EAN-13 with quiet zones.

Local drafts

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