Print 101: PPI. Shows three grids illustrating pixel density. Lower PPI has fewer, larger squares; higher PPI has more, smaller squares.
Print 101: PPI is Density.
PPI (Pixels Per Inch) defines how many pixels fit into one inch. High PPI = many small pixels (sharp image). Low PPI = fewer, larger pixels (blurry image). Higher density is essential for print clarity!
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