Covers 5,000+ sets of CAD drawings for construction engineering and mechanical design. This covers a variety of specialized drawings, including master plans, building plans, structural construction plans, equipment construction plans, electrical maps, etc., and provides DWG/DXF original format and structured label data, which are specially designed for AI smart review maps, drawing identification and large model training scenarios.
6 main categories
Professional drawing type
100%
The certification was approved.
10
Time spans
2
DWG + DXF Dual Formats
A comprehensive understanding of the composition and core features of this data set provides a high-quality engineering drawing data base for AI review maps, smart identification and large model training.
The core building plans, plans, profiles, detailed drawings, etc. cover a wide variety of types of housing, commerce, public buildings, etc.
(c) Structural drawings, such as basic maps, column charts, beryllium charts, sheet charts, stairwells, etc., containing steel-concrete and steel structures.
Specialized construction drawings for equipment such as drainage, HAC, fire protection, including system maps, floor layout and detailed maps.
Electrical design drawings for distribution systems, lighting floors, weak electrical systems, mine-protected terrain, etc.
The data sets are carefully screened and matched to ensure that the various types of drawings cover a comprehensive and balanced distribution and meet the needs of diverse model training.
Housing
35%
Commercial
25%
Public buildings
20%
Industry
15%
Other
5%
Space recognition
Rooms/regions/functional partitions
Component Recognition
Walls/posts/ beams/doors/windows
Text Comment
Size/higher/state text
Layer Classification
Layer Semantic Tab Map
This data set is legally authorized and can be used in the following three core scenarios. All data have been copyrighted and quality validated.
Provides large-scale training data for the AI smart-reviewed mapping system, covering scenarios such as architectural specifications verification, building recognition, space compliance testing and supporting automated graphic review.
Supporting the intellectual resolution and digitization of CAD drawings, achieving the image recognition, text extraction, spatial relationship understanding, serving BIM reverse modelling and digitization of drawing archives.
Provide high-quality CAD drawing training data for large-language and multi-modular models in engineering, and support the mapping understanding, design generation, and specification of forward research directions such as questions and answers.
Data are legally sourced, tenure is clear and intellectual property and industry norms are strictly adhered to.
| Dataset Name | CAD Project Map Data Set |
| Nature of License | Non-Exclusive License |
| License Term | May 6, 2026 — May 1, 2027 |
| Data Holder | Cooperative Design Institutes Alliance |
| Operator | Changsha Langhui Information Technology Co., Ltd. |
| Scope of License | Acquisition, De-identified Annotation, Structuring, Storage and Use |
Intellectual property compliance
All drawings are copyrighted clearly and legally authorized to strictly comply with the provisions of the Copyright Act
Legal Compliance Assurance
Strict adherence to the Data Security Act, the Personal Information Protection Act and the code of engineering industry
Sublicensing Prohibited
The data must not be sublicensed, resold, disclosed or shared with any unauthorized third party
Clear Ownership
The licensor guarantees that the data sources are lawful, ownership is clear and free of defects in title, and that legal usage rights have been obtained