- Use Fable 5 to reason about spatial design and technical documentation.
- Apply prompts that include dimensions, units, constraints, and validation.
- Distinguish visual prototype, manufacturable CAD, and coordinated BIM model.
CAD design prompt: Act as a CAD technical reviewer. I want to design a simple part for 3D printing. Use: wall mount for a small sensor. Units: millimeters. Constraints: - maximum width 80 mm - estimated load 500 g - two screws - rounded corners - must be easy to print without excessive supports Return: 1. initial dimensions 2. manufacturing risks 3. tolerances to review 4. checklist before exporting STL/STEP 5. questions I should resolve before modeling
Reasonable uses
- AutoCAD: generate command drafts, AutoLISP routines, layer cleanup, and documentation.
- Fusion: explore constraints, manufacturing, materials, and generative design with review.
- Blender: visualization, assets, renders, educational simulations, and non-manufacturable prototypes.
- BIM/Revit: detect interferences, review coordination, and prepare checklists.
Validation checklist: - correct units - scale verified - critical dimensions identified - tolerances documented - materials defined - interferences reviewed - asset or template license clear - STEP/STL/GLB export tested - human review recorded
Official sources
- Autodesk: AutoLISP documentation
- Autodesk Fusion: generative design for manufacturing
- Autodesk Revit: interference check