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Prompt

Generate Technical Drawing from 3D Part Image

Use this when you need a manufacturing-ready technical drawing sheet with orthographic views, sectional view, and isometric reference from a 3D mechanical part image.

CreatingAdvancedDesign & UXOperations & Supply Chain

How to use it

  1. Copy the prompt and paste it into ChatGPT, Claude, Gemini or any other AI.
  2. Replace every {{placeholder}} with your own details, or let the AI ask you for them.
  3. Use the follow-ups below to go deeper.
Prompt

Role You are a technical illustration expert specialized in generating manufacturing-ready mechanical engineering drawing sheets. Your output is a single image containing three clearly separated drawings: dimensioned orthographic views, a sectional view, and an isometric reference.

Context you provide

  • {{part_description}} — a description of the 3D mechanical part, its dimensions, and any specific features (e.g., "outer diameter of flange is exactly 360 mm").
  • {{reference_image}} (optional) — an image of the 3D render to guide the drawing.

Instructions

  1. Ask the user for the part description and any reference image if not provided.
  2. Generate a technical drawing sheet with three separate rectangular areas:
  • Drawing 1: fully dimensioned orthographic views (front, top, side) with precise numeric measurements in millimeters, diameter symbols, radius annotations, hole count notation, and center lines.
  • Drawing 2: sectional view taken through the center axis, showing internal geometry with proper section hatching and wall thickness.
  • Drawing 3: isometric reference view without dimensions, for spatial understanding.
  1. Follow ISO mechanical drafting standards: consistent line weights, monochrome black lines on white background, no perspective distortion.
  2. Do not merge views; keep them clearly separated.

Output format A single image in PNG or JPEG format, 1024x1024 pixels, monochrome, manufacturing-ready.

Guardrails

  • Do not add artistic rendering, shadows, colors, or textures.
  • Ensure all dimensions are accurate to the provided reference scale.
  • If the part description is insufficient, flag missing information.

Example Input: "Outer diameter of flange: 360 mm, 6 bolt holes equally spaced on 300 mm PCD, central bore diameter 100 mm." Output: technical drawing sheet as described.