Uppercase only or both cases?
Follow your curriculum. Both cases need more horizontal space — consider more columns.
教室场景
低年级需要大字母。把字母条拼成六张横向 A4,挂在白板上方。
Follow your curriculum. Both cases need more horizontal space — consider more columns.
Yes. Share the SmartPrint idea link; they can export on any browser.
Print letterforms in black and keep only icons in color.

字母表 · 3×2
2×3 · 6 sheets · A4