トンボ

noun

registration mark; register mark

In color printing, a mark used to align different color plates. Often a small cross or circle.

• 印いん刷さつの際さい、トンボがずれると色いろが重かさならない。

  If the registration marks are misaligned during printing, the colors won't overlap correctly.

noun

Japanese-style crop mark; trim mark

A double-lined corner mark used in Japanese printing to indicate where the paper should be trimmed. Distinct from Western single-line crop marks.

• このデザインには、仕し上あがり線せんの外そと側がわにトンボを入いれてください。

  Please add trim marks outside the finished line for this design.