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Prompts Mechanical Engineering Drawing Sheet Generator

model image_generation template risk: low

Mechanical Engineering Drawing Sheet Generator

Generates a manufacturing-ready technical drawing sheet from an input 3D render image of a mechanical part, featuring three separated drawings: fully dimensioned orthographic views…

PROMPT 

{
  "task": "image_to_image",
  "input_image": "3d_render_of_mechanical_part.png",
  "prompt": "Reference scale: the outer diameter of the flange is exactly 360 mm. Mechanical engineering drawing sheet with three separate drawings of the same part placed in clearly separated 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 of the part, showing internal geometry with proper section hatching and wall thickness clearly visible. Drawing 3: isometric reference view of the part without any dimensions, used only for spatial understanding. ISO mechanical drafting standard, consistent line weights, monochrome black lines on white background, manufacturing-ready technical documentation, no perspective distortion.",
  "negative_prompt": "single combined drawing, merged views, artistic rendering, perspective view, realistic lighting, shadows, textures, colors, gradients, sketch style, hand drawn look, missing dimensions, decorative presentation",
  "settings": {
    "model": "sdxl",
    "sampler": "DPM++ 2M Karras",
    "steps": 45,
    "cfg_scale": 6,
    "denoising_strength": 0.45,
    "resolution": {
      "width": 1024,
      "height": 1024
    }
  },
  "output_expectation": "one technical drawing sheet containing three clearly separated drawings: dimensioned orthographic views, a centered sectional view, and an undimensioned isometric reference, suitable for manufacturing reference"
}

INPUTS

input_image REQUIRED

filename of the input 3D rendered mechanical part image

e.g. 3d_render_of_mechanical_part.png

REQUIRED CONTEXT

  • input_image: 3D render of mechanical part

OPTIONAL CONTEXT

  • negative_prompt
  • generation settings

EXPECTED OUTPUT

Format
unknown
Constraints
  • one technical drawing sheet containing three clearly separated drawings: dimensioned orthographic views, a centered sectional view, and an undimensioned isometric reference
  • suitable for manufacturing reference

SUCCESS CRITERIA

  • Generate a mechanical engineering drawing sheet with three separate drawings
  • Include fully dimensioned orthographic views with precise measurements
  • Include a sectional view through the center axis with hatching
  • Include an isometric reference view without dimensions
  • Follow ISO mechanical drafting standard in monochrome

FAILURE MODES

  • Generating single combined or merged views
  • Adding artistic rendering, colors, shadows, or textures
  • Missing dimensions or annotations
  • Using perspective distortion or sketch style

CAVEATS

Dependencies
  • input_image '3d_render_of_mechanical_part.png'
  • Reference scale of 360 mm flange diameter
Missing context
  • Detailed description of the mechanical part's geometry (relies heavily on input_image)

QUALITY

OVERALL
0.90
CLARITY
0.95
SPECIFICITY
0.95
REUSABILITY
0.65
COMPLETENESS
0.95

IMPROVEMENT SUGGESTIONS

  • Introduce placeholders for 'input_image' and 'reference_scale' to enhance reusability, e.g., '{input_image}', '{scale_mm}'
  • Add optional fields for custom part-specific annotations or additional views

USAGE

Copy the prompt above and paste it into your AI of choice — Claude, ChatGPT, Gemini, or anywhere else you're working. Replace any placeholder sections with your own context, then ask for the output.

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