
Single shape · triangle
Single shape · triangle · Newborn (0–2 months) · from 30 cm · black on white · thinnest feature 52.9 mm · designed for ~20/400
Sheet size:A4US Letter
8 printable single shape cards, at30 · 60 cm, across 4 stages.
One large, solid shape on a plain ground — a circle, square, triangle, cross, heart or star. There is nothing to resolve except the outline, which makes it the easiest kind of card to see and the hardest to make interesting twice.
Past a certain distance the design the tool wants is wider than the paper. This family shrinks instead of cropping, because half a face or half a heart is not a smaller face or a smaller heart — it is a different picture. That has a consequence you can see here: once the whole figure is already as wide as the sheet, printing it "for 250 cm" would produce the same drawing at the same size as the 60 cm one, so those cards are not published at all. For a card that has to work from across a room, choose a repeating pattern —stripes, a bullseye or a checkerboard.

Single shape · triangle · Newborn (0–2 months) · from 30 cm · black on white · thinnest feature 52.9 mm · designed for ~20/400
Sheet size:A4US Letter

Single shape · square · Newborn (0–2 months) · from 60 cm · white on black · thinnest feature 190.4 mm · designed for ~20/400
Sheet size:US Letter
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`)

Single shape · cross · Early (2–3 months) · from 30 cm · black on white · thinnest feature 33.9 mm · designed for ~20/218
Sheet size:A4US Letter

Single shape · triangle · Early (2–3 months) · from 60 cm · white on black · thinnest feature 105.8 mm · designed for ~20/218
Sheet size:US Letter
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`)

Single shape · heart · Emerging (3–4 months) · from 30 cm · black on white · thinnest feature 52.9 mm · designed for ~20/171
Sheet size:A4US Letter

Single shape · cross · Emerging (3–4 months) · from 60 cm · white on black · thinnest feature 67.7 mm · designed for ~20/171
Sheet size:US Letter
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`)

Single shape · star · Developing (4–6 months) · from 30 cm · black on white · thinnest feature 41.8 mm · designed for ~20/120
Sheet size:A4US Letter

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
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`)
The stage pages are the primary way in — they group everything a baby of roughly one age can use, across all the patterns.
Print at 100%. Choose “Actual size” / “100%”, never “Fit to page” —check your printer once. Want a different distance, paper or polarity? The generator makes any of them.