Corrected age, on a slider
Designing the "how early was your baby?" control taught us something worth saying out loud: corrected age only ever adjusts downward, and the easiest honest way to ask about…
Tagged #sizing
4 articles
How big should it be? A plain-language guide to sizing a contrast card
Getting the size right comes down to just two numbers — how well your child sees right now, and how far away the print will be — and one line of grade-school geometry does the…
Print at 100%: why "Fit to Page" quietly ruins a correctly-sized card
The whole point of this tool is a pattern sized for your child's eyes at a real distance — and a single print-dialog setting, "Fit to Page," can silently shrink it. So print at…
Why the same contrast card won't work on the ceiling and the changing table
A pattern that's perfect 30 cm from your baby's face is an invisible grey blur on the ceiling 2 m away — because the eye sees angles, not sizes. Same baby, farther surface → the…