3D CAD from 2D technical drawings
Theia combines AI and engineering expertise to reconstruct manufacturable 3D CAD models (STEP) from mechanical 2D drawings – with human validation for quality assurance.
Industrial-grade reverse engineering.
No credit card required
Convert your 2Ds in only 3 steps
Upload & get live pricing
Drag & drop your 2D drawing (.pdf, .tif, .png). Our AI analyzes complexity and provides transparent pricing before you commit.
Review pre-validated 3D
Side-by-side comparison of your 2D drawing with the reconstructed 3D model. Measure, verify dimensions, and check inside features.
Download STEP file
Get production-ready parametric 3D CAD in STEP format (ISO 10303), compatible with all major CAD systems.
What is Theia for?
01
3D for production
For OEMs
Generate production-ready 3D CAD files from 2D technical drawings for manufacturing and engineering workflows.
- Manufacturing-ready CAD
- STEP format
- Qualified by specialised engineers
02
3D for quotation
For Producers
Turn incoming 2D drawings into STEP models you can measure and analyze, so you build accurate production quotes without remodeling each part by hand.
- Reliable geometry for cost estimation
- Volume and weight ready to compute
- The same STEP feeds production if you win the job
03
3D for AR/VR
For Marketing teams
Get clean STEP models from your technical drawings, ready to feed AR, VR, training, and digital-twin pipelines.
- Standard STEP, convertible to your visualization format
- Built from your real drawings
- Validated by engineers
04
3D for RE budget
For Engineering Teams
Get instant pricing for reverse engineering projects. Perfect for engineering bureaus managing multiple client requests.
- Instant price quotes
- Transparent complexity analysis
- Budget planning made easy
Trusted by
“Theia is our solution to convert our legacy 2D drawings into CAD without engaging our engineering resources.”
Ready to try it?
Start with free credits now – no credit card required
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