How about a basic tee in a modern shape, but with a simple old-school overall pattern for texture? This top is boat neck, slightly A-line hip length, has dropped shoulders and short sleeves. Fun and easy to knit.

FINISHED MEASUREMENTS
Chest/Bust: 31(35, 39, 43, 47, 51, 55, 59, 63, 67) inches / 78.5(89, 99, 109, 119.5, 129.5, 139.5, 150, 160, 170) cm
Length: 18.5(18.5, 20, 20, 21.5, 21.5, 22, 22.5, 23, 24) inches/47(47, 51, 51, 54.5, 54.5, 56, 57, 58.5, 61) cm