Physna

Physna is a geometric intelligence platform for 3D engineering data. Developed by Physna Inc., the platform analyzes the actual geometry of CAD models and converts them into searchable, comparable digital fingerprints. Instead of relying on filenames, part numbers, or inconsistent metadata, engineers can search for parts based on what they physically are rather than what someone happened to name the file.

This solves a genuinely expensive problem in manufacturing and product development: duplicate parts, reinvented designs, and tribal knowledge loss. Large engineering organizations often manage thousands or millions of CAD files spread across PLM, PDM, and ERP systems. Traditional text search is unreliable because naming conventions drift, metadata is incomplete, and legacy parts get buried over time. Physna indexes the geometry itself, allowing teams to instantly surface exact matches, near duplicates, compatible alternatives, and reusable legacy designs across the full catalog.

The core differentiator is shape-based AI search. Upload a CAD file, assembly, or in some workflows a 2D image, and Physna identifies matching geometry across a repository regardless of file format or labeling. The platform compares features such as hole patterns, bounding volumes, shape clusters, and structural similarity at a geometric level. This makes it useful not only for part reuse but also for supplier discovery, catalog standardization, compliance checks, inventory reduction, and manufacturing sourcing workflows.

Where Physna becomes most valuable is at enterprise scale. For manufacturers with bloated part catalogs, duplicate inventory, and fragmented CAD archives, it functions as a design intelligence layer sitting above PLM systems, helping engineering teams design faster by finding what already exists before committing resources to building something new.

Key Features

• Geometric deep-learning engine that indexes and analyzes 3D models by physical geometry rather than metadata, filenames, or text tags
• Physical DNA fingerprinting that decomposes mesh geometry into structural feature patterns for orientation-independent, format-independent model identification
• Part deduplication across enterprise CAD libraries, PDM systems, and ERP databases for exact and near-duplicate identification
• Geometric part search from a query model or 3D scan to support design reuse and procurement consolidation
• Assembly analysis identifying where specific sub-components or geometrically similar parts appear across product assemblies and BOMs
• IP protection analysis detecting replication of proprietary geometry in external or competitor models
• Supplier matching linking parts to geometrically equivalent or similar supplier components for sourcing and alternate supplier identification
• Cross-format compatibility supporting STEP, IGES, STL, OBJ, and major CAD format inputs from SolidWorks, CATIA, NX, Creo, and others
• Palantir Foundry integration embedding Physna 3D insights in Palantir's data ontology for enterprise and defense AI-driven operational analysis
• PLM and PDM integration connecting to existing product data management infrastructure
• Thangs public platform for consumer-facing geometric search, 3D model community, version control, and collaboration at scale

Best For

Design engineers and engineering managers at manufacturers, aerospace and defense contractors, and industrial organizations who need to reduce part proliferation, identify reuse opportunities across large CAD libraries, consolidate procurement by identifying equivalent parts purchased from multiple suppliers under different part numbers, and protect proprietary geometry from unauthorized replication.

Particularly relevant for organizations with decades of accumulated CAD data where metadata and naming conventions are inconsistent and geometry-based search is the only reliable way to find what already exists. Also suited to procurement and supply chain teams managing alternate sourcing strategies who need to identify geometrically equivalent components across their supply base quickly.

Who It's Not For

Engineers who need CAD modeling, simulation, tolerance analysis, or manufacturing process planning tools. Physna is a search and analysis platform that operates on existing 3D model data and does not generate, modify, or simulate geometry.

Organizations with small, well-catalogued part libraries where metadata-based PDM search already serves their needs effectively will also find less immediate value than organizations struggling with large, poorly tagged, multi-source CAD libraries accumulated over long periods.

Platform

Enterprise SaaS platform accessible via browser, with API integration into PLM, PDM, and ERP systems. Supports STEP, IGES, STL, OBJ, and major CAD formats from leading vendors. Palantir Foundry integration available for enterprise data ontology embedding. Thangs public platform available at thangs.com. Mobile AR capability available through Thangs for physical-to-digital part identification. Cloud-native deployment including AWS-native infrastructure for enterprise configurations.

Pricing

Enterprise pricing for the Physna platform is not publicly listed.

Contact Physna directly for pricing based on organization size, repository volume, and use case configuration.

Thangs public platform is free for individual users, with monetization through model sales transactions and creator subscriptions.

Enterprise and government contracts negotiated directly.

A platform demo is available through the Physna website.

Pros

• Geometry-based search solves a real and persistent problem in large CAD library management that metadata and text search cannot address reliably
• Part deduplication ROI is concrete and measurable, with identifying duplicate parts that can be consolidated reducing design, procurement, and inventory carrying costs directly
• Cross-format and cross-system capability means the search engine works across geometry from different CAD platforms, different suppliers, and different time periods without format normalization requirements
• Palantir partnership enables 3D geometric intelligence to be embedded in enterprise-scale data platforms used by large defense and commercial organizations
• Thangs community platform with 20-plus million monthly active users provides both a consumer product and a continuous data source that improves the geometric deep-learning engine
• IP protection capability is a defensible value proposition in industries where proprietary geometry represents significant R&D investment

Cons

• Platform scope is narrow relative to its cost for organizations whose primary need is a single specific use case such as basic part search
• Enterprise pricing and sales engagement required before cost evaluation is possible
• Effectiveness for near-duplicate detection depends on the quality and completeness of the model library ingested, with incomplete or poorly managed CAD libraries reducing search recall
• Integration with existing PLM, PDM, and ERP systems requires implementation work and IT engagement that adds to total deployment cost and timeline
• No offline or on-premises deployment option identified for customers with strict data security requirements around CAD IP leaving their infrastructure
• The company remains a venture-backed startup at a relatively modest revenue scale, which carries long-term platform continuity considerations for enterprise customers planning multi-year deployments

Rating

⭐ 4.2 / 5

Editorial Take

Physna is one of those tools that sounds unremarkable until you understand the problem it solves, at which point it sounds genuinely clever. This is not flashy generative AI. It is engineering search infrastructure. For organizations drowning in CAD redundancy and part proliferation, Physna can quietly deliver significant savings by helping teams reuse what already exists instead of unknowingly redesigning it. For smaller engineering teams with manageable repositories, the investment is unlikely to justify itself.

Alternatives

CADENAS PARTsolutions, GrabCAD, TraceParts, PartStack, Siemens Teamcenter geometry search, PTC Windchill Parts Classification, Autodesk Vault, 3Dfindit

Used In

• Enterprise CAD library deduplication and part rationalization
• Procurement part consolidation and alternate supplier identification
• Aerospace and defense component inventory management
• IP protection and competitive geometry monitoring
• Design reuse programs at automotive OEMs and industrial manufacturers
• Department of Defense physical asset management and maintenance prediction
• Additive manufacturing community model discovery and sharing via Thangs

Founded

2015 (Columbus, Ohio)