3D Metrology Systems – Defect Detection on Molded Parts

At EDM Intelligent Solutions, our high-resolution 3D scans of piece parts allow for form measurement down to the µm scale. Form measurements are made by cutting profiles across the 3D part scan data set and those included points are used to gather various form dimensions including radii, angles, slot width, height step and more. This ability to measure the 3D data allows us to also search for defects within the scanned surface.

Below is an example of defect detection that was completed on a molded plastic shell for a piece of medical equipment. 3D measurements can easily detect defects on the surface of nearly any part and are less susceptible to lighting issues than images captured with traditional 2D cameras.  The defect scan and 3D measurements of this component were completed using our RSH-M10 Robotic Metrology System. This is a three-step process.



  • Component – Medical Equipment Shell
  • Material – Molded Plastic
  • Metrology Services:
    • Form Measurement
    • Defect Detection

Step 1: Capture Data

Step 2: Extract and Measure Data

Step 3: Report Results


Intelligent solutions to manufacturing and measurement challenges are what we do. Over the past 25 years, we’ve completed thousands of measurement and metrology projects. What differentiates EDM Intelligent Solutions 3D Metrology services from the competition is our unique understanding of each manufacturing process. The EDMIS metrology technicians and applications engineers support their colleagues in our tight tolerance CNC machine shop that produces ultra-precision components for customers every day. Harnessing this unique relationship with manufacturing, our metrology team has the experience needed to fully assist our customers leverage the measurements taken of their components to improve their manufacturing processes. We are confident that we can measure your most challenging components and work with you to fully understand what those measurements tell you about them. To learn more about how EDMIS can help you, contact our metrology team with your request for quote.