A two-part prompt sequence for Nano Banana Pro (using its 'Thinking Mode') to convert a rough sketch into precise, CAD-like line art. The first prompt instructs the model to finalize the rough sketch, referencing blue text annotations, removing ambiguity, and applying line weight variation. The second prompt is a follow-up instruction to apply the same style to subsequent rough sketches.




このラフ画を清書して線画を作って下さい。青い文字を読んで参考にし、手書きに伴う曖昧さや雑さは排除し、CADツールから出力したような精緻な線画にしてください。稜線は太くするなど、線の太さに強弱をつけてください。青い文字と線は削除し、出力画像には含めないでください
同じ調子でこのラフも清書してくださいCC BY 4.0. Prompt pages keep the original attribution and source links from the upstream gallery records stored in the database.

A fun prompt to generate a wildly overcomplicated flowchart explaining how to toast bread, ideal for humorous instructional posters.
Ethan Mollick

Generates a diagram-style image of a space shuttle in outer space, useful for educational or illustrative content.
Nano Banana Pro
A simple product photography prompt placing the subject neatly on top of a stone for clean, minimalistic 4K product shots.
Azer Koçulu

An art-history-inspired prompt to generate a scene in the style of a follower of Jheronimus Bosch depicting Christ in Limbo, the Harrowing of Hell.
@levelsio