Contrast Card Generator

Single shape (heart) card for developing at 60 cm

High-contrast single shape card (heart) for a baby of about 4–6 months to look at from 60 cm — white on black, thinnest feature 105.8 mm.
Single shape · heart · Developing (4–6 months) · from 60 cm · white on black · thinnest feature 105.8 mm · designed for ~20/120

Sheet size:US Letter

Download US Letter PDF

Print at 100% / “actual size”, never “fit to page”. Check your printer.

Why is there no A4 version? no a4.pdf: at 60 cm the 'shape' motif is wider than an A4 sheet, and a figural pattern is scaled down to fit rather than cropped — so the print would be the same drawing at the same size as its longer-distance siblings, and the distance in its title would stop being a property of the sheet you hold. It is still sized by the viewing distance on US Letter, which is the sheet this card ships (§10 Q3.7; owner `Q-26aR-06`)

Viewing distance
60 cm
Thinnest feature
105.8 mm
Designed for
~20/120 (5 cpd)
Stage
Developing (4–6 months)
Polarity
white on black
Form
heart

Open this in the generator →

The link opens this exact design in the generator, where you can change the distance, the paper, the pattern or the polarity — and download it as a PNG at any resolution, or tiled across several sheets for a wall.

Mount it where it cannot be pulled down, and never inside a cot with a baby in it. These are enrichment prints, not a medical device — for premature, CVI or low-vision care follow your clinicians (mounting safely,disclaimer).

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