GelSight®, a pioneer in high-resolution tactile sensing technology, today announced that the defense-born GelSight® Modulus™ has surpassed 100 units sold to commercial and Department of Defense customers.
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Named for the modular probe architecture that emerged from Army requirements, the Modulus was originally developed under Contract W911W6-23-C-0002 with DEVCOM Aviation & Missile Center (DEVCOM AvMC). It is now deployed across commercial aerospace, manufacturing, and quality control applications where surface integrity is critical to safety and performance.
Named for the modular probe architecture that emerged from Army requirements, the Modulus was originally developed under Contract W911W6-23-C-0002 with DEVCOM Aviation & Missile Center (DEVCOM AvMC). It is now deployed across commercial aerospace, manufacturing, and quality control applications where surface integrity is critical to safety and performance. The 100-unit milestone marks a significant inflection point for GelSight, demonstrating that technology developed in close collaboration with U.S. Army maintainers has broad applicability far beyond its defense origins.
Under the Army DEVCOM contract, GelSight worked alongside maintainers at Corpus Christi Army Depot (CCAD) to understand the real-world demands of rotorcraft inspection. Through on-site visits and iterative collaboration, the team discovered that no single probe size or configuration could address the full range of maintenance inspection scenarios, from hard-to-reach interior geometries to angled surfaces on rotor blades and transmission housings. This insight drove the development of a modular system architecture featuring interchangeable probe tips with different diameters and inspection angles, allowing a single instrument to adapt to the variety of components maintainers inspect every day.
The result is a handheld, micron-scale 3D surface measurement system that replaces what previously required multiple specialized instruments or labor-intensive methods such as replica casting and manual visual inspection. Modulus helps to save parts that would have traditionally been scrapped due to an inability to quantify critical surfaces, geometries and defects with legacy tools. Unlike conventional non-destructive inspection (NDI) techniques that rely on subjective operator interpretation and produce no permanent record, the Modulus generates quantitative 3D images for every inspection, enabling digital records, trend analysis, and AI-driven predictive maintenance workflows.
“Working alongside Army maintainers showed us that no single tool could serve every inspection need, and that they needed a system as adaptable as the mission itself,” said Dr. Kimo Johnson, Co-Founder and Chief Science Officer at GelSight. “That insight became the foundation of the GelSight Modulus. Reaching 100 units sold just months after the commercial launch proves that solving the hardest problems in defense maintenance creates technology the broader industry values as well.”
The Modulus is currently used across a range of high-stakes inspection environments, including:
- Defense MRO: Non-destructive inspection of helicopter airframes, engines, transmission housings, rotor blades, and other critical aerospace components at DoD maintenance depots, enabling early detection of corrosion, cracks, and surface damage.
- Commercial Aerospace: Quality inspection of turbine blades, engine components, and structural parts during manufacturing and maintenance, repair, and overhaul (MRO).
- Manufacturing & Quality Control: Surface metrology for precision components across automotive, energy, and other industries where dimensional accuracy is critical.
For GelSight, the Modulus represents a successful transition from funded defense R&D to a commercially scalable product, validated first by the rigorous demands of Army aviation maintenance, and now proven across the industrial inspection and metrology market.
To learn more about the GelSight Modulus and GelSight’s mobile metrology solutions, visit the company’s website.
About GelSight
GelSight is a pioneer in digital, imaging-based surface analysis. The proprietary technology that was invented at the Massachusetts Institute of Technology provides extremely detailed and rapid surface characterization, enabling several surface measurement applications and robotic sensing capabilities. Its elastomeric 3D imaging systems are currently in use in aerospace, automotive, forensics and in many robotic research labs throughout the world. GelSight is Digital Touch and Feel. For more information, please visit https://gelsight.com/.
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