Paper & writing
Fold-alignment test
Compare a crease with the supplied center and mirrored marks. This is a single-sided fold-alignment check, distinct from the duplex trial sheet.
Paper & writing
Trim and corner-squareness test
Use the supplied trim guides to compare opposing edges and diagonals. This checks the result of cutting a rectangle rather than front/back printer registration.
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All exact editions
- Paper
- US Letter
- Pages
- 1
- Sheet
- 215.9 × 279.4 mm
- Format
- Print PDF
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Print at actual size when dimensions matter. Check a known dimension; this edition has no labeled scale-reference line.
Pages in this PDF
- Page 1 — Trim and corner-squareness test
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Trim and corner-squareness test / LETTER
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This paper diagnostic is a working check, not a certified measurement standard.
Use one line convention
Cut consistently relative to the printed line; switching between its inside and outside changes the result. Check both opposing edge pairs and both diagonals. Record measured differences instead of marking a page “square” merely because it looks close.
Inside this edition
A printing diagnostic, not a certified measuring instrument.
From file to finished page
- Choose the paper size loaded in your printer and open the matching PDF.
- Print at actual size when dimensions matter. Check a known dimension; this edition has no labeled scale-reference line.
- Use the corner and edge guides to trim the 140 × 150 mm rectangle. Keep the line convention consistent instead of cutting inside on one side and outside on the other.
- Measure both opposing edge pairs and both diagonals. The geometric diagonal is approximately 205.18 mm.
- Unequal diagonals after equal opposing edges can indicate a skewed cut. This paper check is not a certified measuring tool.
Printing and use notes
Make one trial on ordinary paper before using special stock or preparing a batch. No physical test result is claimed.
Direct PDF files for every edition
- Trim and corner-squareness test / LETTER · 1 page
Page numbers and contents
- Page 1 — Trim and corner-squareness test
- Trim and corner-squareness test / A4 · 1 page
Page numbers and contents
- Page 1 — Trim and corner-squareness test
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Paper & writing
Metric and inch print-scale reference
Check a printed reference before using physical dimensions from a template. This page provides a comparison aid; it is not a certified ruler or calibration service.
Paper & writing
Duplex alignment trial sheet
Compare front and back placement in a two-sided trial. Follow this sheet’s duplex procedure rather than applying a fold-only check to a printing-alignment problem.