Type segmentation of the 3D Metrology Products market distinguishes four principal technology families: laser scanners, structured‑light scanners, white‑light interferometers, and contact‑probe systems, with computed tomography (CT) scanners emerging as a niche yet high‑value class. Laser scanners, employing time‑of‑flight or phase‑shift principles, dominate volume measurement in large‑scale assemblies, accounting for roughly 35 % of total revenue due to their speed and long‑range capability. Structured‑light devices, which project patterned illumination and reconstruct surfaces via triangulation, serve medium‑size parts and contribute about 25 % of sales, driven by higher accuracy at moderate cost. White‑light interferometers, offering sub‑micron surface‑finish assessment, capture 20 % of the market, primarily within precision optics and semiconductor wafers. Contact‑probe systems, though slower, remain indispensable for tactile verification of critical dimensions, representing 15 % of revenue. CT scanners, leveraging volumetric X‑ray reconstruction, occupy the remaining 5 % but command premium pricing, reflecting their unique ability to inspect internal geometries without disassembly. This taxonomy clarifies how each type underpins the overall market size.