3D rebar inspection system Modely

Modely is a 3D rebar inspection system that uses LiDAR-equipped iPads to capture point cloud data and convert it into 3D models, enabling automatic generation of inspection reports with measured values required for rebar inspections.

Applicable to a wide range of rebar configurations, including double reinforcement, circular hoop reinforcement, and cover thickness measurement.
Compliant with the 'Guidelines for Digital Rebar Inspections' issued by the Ministry of Land, Infrastructure, Transport and Tourism (ja)
3D data and inspection reports can be shared with the client and exported as deliverables.
Modely significantly reduces labor and improves work efficiency in rebar inspection processes.
The generated 3D models can also be utilized for future structural maintenance and asset management.

Rebar inspections can be conducted through single-person operation using an iPad or other general-purpose devices.
- Conventional rebar inspections typically require multiple personnel and considerable time for measurement and report generation.
- By using Modely, single-person operation becomes possible, resulting in significant reductions in overall working time.
For more details on the labor-saving benefits, please refer to the following article:
- Work Time Comparison and Cost-Effectiveness of the Modely Rebar Inspection System (ja)
For more information on rebar inspections aligned with the goals of i-Construction 2.0, please see:
- i-Construction 2.0 and the Rebar Inspection System (ja)

Compared to conventional rebar inspection methods, Modely enables approximately 30% cost reduction and 70% reduction in work time.
- *1:Costs were estimated as the sum of labor, travel expenses, and other related costs, assuming 50 rebar inspections per year.
- *2:Labor (hours) were estimated based on the time required for manual measurement, marking, photographing, onsite inspection, and other related tasks per inspection.
- In addition, Modely has demonstrated effectiveness through field trials under the FY2022 “Matching On-Site Needs and Technical Seeds” program conducted by the MLIT Chubu Regional Development Bureau (ja), where efficiency improvements were achieved through automatic modeling of point cloud data for rebar inspection.
Modely significantly reduces workload not only for contractors but also for contractees witness inspections.
For more details on labor-saving effects and how to prepare Method Statement, please refer to:
- Work Time Comparison and Cost-Effectiveness of the Modely Rebar Inspection System (ja)
- How to Prepare Method Statement Based on the (Draft) Guidelines for As-Built Rebar Measurement Using Digital Data (ja)

Modely has been proven to deliver high-accuracy measurements through precision verification tests conducted using our in-house mockups.
Field data from customers who have implemented Modely has also demonstrated highly accurate results, allowing the system to be used with confidence.
For more information about Modely’s measurement accuracy, please refer to the following articles:
- Accuracy Verification in Rebar Inspection Systems and Modely’s Measurement Performance (ja)
- Comparison of Point Cloud Capture Apps: PIX4Dcatch vs. Scaniverse (ja)

Detailed accuracy verification materials are available upon request via the button below.

Accuracy Verification Document (Modely)