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Review of Case Materials
Reviews records, documents, testimony, data, and other relevant materials and consults with counsel regarding technical issues related to the matter.
Provide Expert Analysis
Applies specialized knowledge and experience to evaluate the technical or professional issues involved.
Form Expert Opinions
Develops independent, supportable opinions based on the available evidence and relevant standards.
Prepare Expert Reports
Prepares clear, well-supported expert reports outlining methodology, analysis, findings, and opinions.
Provide Deposition Testimony
Explains findings and opinions under oath and responds to questioning during deposition testimony.
Testify in Court
Presents specialized findings and opinions clearly to judges, juries, arbitrators, or other decision-makers.
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A physical part can be reverse engineered by measuring its dimensions and geometry using tools such as calipers, coordinate-measuring equipment, or 3D scanners. The resulting measurements or point-cloud data can then be used to reconstruct features, surfaces, holes, interfaces, and other geometry in a CAD environment. The condition of the sample, measurement method, and measurement uncertainty should be considered before treating the reconstructed model as an exact representation of the original design.
3D scan accuracy should be evaluated against the dimensions, tolerances, and geometry that matter to the reconstruction. Scanner performance, calibration, surface characteristics, measurement volume, object orientation, working distance, and setup can all affect dimensional results. Critical dimensions may need to be confirmed with a coordinate-measuring system or another suitable measurement method, particularly when the required tolerances approach the capability of the scanner. NIST research likewise emphasizes performance characterization, error sources, and measurement uncertainty when 3D scanning is used for dimensional metrology and reverse engineering.
Yes. Components or assemblies from different versions can be measured and compared for changes in dimensions, geometry, wall thickness, hole locations, interfaces, and other physical features. Differences between individual samples do not necessarily establish an intentional design revision because manufacturing variation, wear, deformation, or measurement uncertainty may also produce differences. Drawings, revision records, production information, and additional samples can help determine whether an observed change reflects a documented design revision.
Reverse engineering begins with an existing physical item and works backward to document or reconstruct its geometry, dimensions, interfaces, and functional relationships. Mechanical design generally begins with requirements and works forward to develop or modify a component or assembly, including decisions involving loads, materials, tolerances, clearances, strength, stiffness, and performance. The two activities can overlap, but reconstructing the geometry of an existing component does not by itself determine whether the design is mechanically adequate.
