GelSight Mobile 4.5 Adds Profile Analysis and Arc Tools

GelSight Mobile 4.5, the latest software release for GelSight's tactile surface-inspection platform, adds a Profile Analysis tool and a new Arc shape for the Offset tool, alongside system-level measurement optimizations and refreshed PDF reporting. The company positions the update as another step in moving laboratory-grade metrology (the science of dimensional measurement) out of the lab and onto the production floor.

The platform works on a simple optical trick: an elastomer gel pad conforms to a surface, and imaging the deformed pad yields high-resolution 3D topography of features that conventional vision systems struggle to resolve — scratches, dents, weld geometry. The software then does the measuring. So a 4.x release that adds measurement geometry tools is not cosmetic; it changes what an inspector can quantify in one scan.

What does Profile Analysis add?

The new Profile Analysis tool performs measurements on an extracted cross-section of a scan: angle, radius, line-to-line distance, and point-to-point distance. That is standard profile metrology vocabulary — the same measurements a shop would once take from a contour probe or optical comparator — now applied to a handheld scan on the spot.

The second geometry addition, an Arc shape in the Offset tool, measures height differences across circular features. Anyone inspecting machined bores, fastener heads, or weld toroids will recognize the gap this closes. Flat-plane height differencing is easy; circular-feature differencing, until now, less so.

Vice President of Product Bob Ochiai framed the release broadly: "With GelSight Mobile 4.5, we've improved measurement performance across the board, from system-level optimizations to new tools that give inspectors more ways to measure a scan."

He added: "Combined with a refreshed interface and enhanced PDF reporting, these updates help teams measure surfaces and share inspection results across their organizations with confidence."

What changed in reporting and usability?

The release touches the paperwork as much as the point cloud:

• Enhanced PDF reporting — reports can now carry attached images and a signature line, which moves the document from informal record toward something a quality system can sign off on.
• Refreshed user interface — a modernized look and, in the vendor's wording, improved user experience throughout the application.
• System-level measurement improvements — optimizations the company says apply across the whole application rather than to a single tool.

The signature line deserves a second look. Inspection data that can't be signed is data a registrar will treat skeptically. Attaching images and sign-off to the PDF closes a workflow gap between measurement and disposition — the part passes or fails, and someone accountable says so.

What's a claim and what's measured?

As always with a software announcement, the measurable claims here are structural: specific tools exist, specific measurement types are supported, specific report elements are new. GelSight has not published updated accuracy, repeatability, or calibration figures with this release, and the company's "improved measurement performance" is a system-level assertion without stated test conditions. Buyers evaluating the platform for a specific tolerance scheme should ask the vendor for gage-study data under their own part geometries — nothing in a release note substitutes for an R&R study (a repeatability-and-reproducibility test of a measurement process).

Who is this for?

The target user remains the production inspector rather than the metrology lab. The pitch — and it's a coherent one — is that surface measurement shouldn't queue behind a lab schedule. Every tool that moves a measurement from the CMM room to the floor compresses inspection cycle time. The 4.5 release adds two more measurement types that previously would have justified that queue.

The open question is adoption within regulated workflows. If GelSight's PDF reports with signatures satisfy your quality manual's record-retention and traceability requirements, 4.5 could retire a paper step. If your auditors want raw data export and revision-controlled records, you'll still be wiring GelSight output into a QMS (quality management system). Version 4.5 is available now through GelSight's site.