GrandpaCAD
Simple 3D Modeling with AI
Create 3D models for printing without any technical skills. Just describe what you want, and our AI will do the rest.
Thinking...
Made for My Grandpa
This tool was created for my grandfather who loves 3D printing but struggles with complex modeling software. He doesn't speak English, which makes most 3D design tools inaccessible to him.
Despite these challenges, he's passionate about creating 3D prints for our family. He uses his BambuLab A1 printer and now can easily create custom models by simply describing what he wants.
Read His Story
How It Works
Describe Your Idea
Tell our AI what you want to create in simple language. No technical terms needed.
AI Creates Your Model
Our AI transforms your description into a 3D model ready for printing.
Print Your Creation
Download the 3MF file and print it on your 3D printer. It's that simple!
Example Models
Check them out to see how they were made and how you can change them.
What You Can Do Now
AI Chat
Generate and refine your 3D models through natural conversation with the AI.
Parametric AI Models
AI generates models with adjustable parameters (e.g., change cube dimensions after creation).
3MF Export for Printing
Directly export your creations as 3MF files, ready for any 3D printer.
Include 3D text into your models
Want to write personalize your models more? Add text and writing to your models.
Coming Soon & In Development
Import from Drawings & Photos
Convert sketches, drawings, or photos into initial 3D models (Experimental).
Standardized Fasteners
Easily add standard-sized screws, nuts, and corresponding holes.
Step-by-Step Model Visualization
See exactly how the AI constructed your model, step by step.
Multiple Export Formats
Export your models in various formats like STL, STEP, etc.
Automatic Clearance Adjustment
Define clearances between parts, and the AI will handle adjustments.
Reusable Component Library
Save, organize, and reuse your custom parts across designs.
Ready to Create?
Start making your 3D models today - no technical skills required.
Blog
My thoughts and lessons learned while building GrandpaCAD, the AI powered CAD software.