A rough pencil logo sketch on a notebook page beside the same symbol redrawn as a clean solid black vector mark.

Example result illustrating this prompt's visual direction. Actual results may vary by model, reference image and settings.

Napkin Sketch to Clean Vector Brand Mark

Turn a photo of a rough napkin or notebook logo doodle into a crisp, balanced vector-style brand mark that keeps the original idea intact.

Prompt

You are a senior brand identity designer. I am uploading a photograph of a rough hand-drawn logo sketch. Study the photo carefully and identify the intended mark: its core silhouette, stroke weights, symmetry, negative space, and any construction logic the sketch implies. Then produce one refined brand mark concept that is a faithful cleanup of that exact sketch, not a new idea. Redraw it as a flat, vector-style symbol with a single consistent stroke weight, true geometric curves, aligned terminals, closed shapes, and optically balanced spacing. Remove all paper texture, pencil grain, shadows, smudges, stray guide lines, tape, fingers, and perspective distortion from the photograph. Render the final mark in solid black on a plain white background, centered with generous clear space, and simple enough to stay legible at 32 pixels. Do not add a company name, tagline, gradient, bevel, drop shadow, or decorative flourish. After the image, list in plain text every correction you made and the design reason for each.
Recommended: ChatGPT
Upload your photo to the AI tool first, then use this prompt. The prompt asks the model to preserve identity and key visual features.

How to use it

  1. Photograph the sketch flat and straight on in even light so edge positions and stroke weights read accurately.
  2. Upload only one sketch per run so the model refines a single mark instead of blending several ideas together.
  3. Ask for the written correction list, then request a second pass on any correction you disagree with.

Common failure fixes

  • If the model invents a different symbol, re-upload the photo and state that the output must be a cleanup of the existing shape rather than a new concept.
  • If stroke weights look uneven, ask for one uniform stroke width applied consistently across every part of the mark.
  • If paper texture or pencil grain survives, request a flat pure-black shape on pure white with no scan artifacts or shading.