Polyga FlexScan3D vs Structure

Polyga FlexScan3D is free legacy software for controlling 3D scanners, capturing scans, and processing them into digital 3D models. It can operate multiple scanners, change scanner settings, and recalibrate systems; Polyga states that acquisition takes approximately one second per scan. The built-in mesh editor supports processing, aligning, merging, cleaning, and filling holes. Standard edition tools measure and analyze deviation by comparing two meshes with a color map. Exports include PLY, OBJ, STL, ASC, and FBX. A C++/C# API library and scripting functions expose scanner controls and data processing. Compatibility includes Polyga scanners, most Basler and FLIR monochrome global-shutter cameras, and standard DLP projectors through HDMI. An automatic rotary table supports 360-degree scanning, and color capture works with color machine-vision cameras. The listed minimum operating system is 64-bit Windows 10. Polyga provides a manual but no one-on-one support for custom DIY scanner builds.

Structure builds 3D scanning hardware and software for medical, clinical, and industrial applications. Its technology supports orthotic and prosthetic fitting, wound measurement, surgical planning, and patient monitoring. The Structure Sensor 3 attaches to compatible iPads and provides millimeter depth accuracy for body measurements. Developers can use the Structure SDK for raw depth frames, mesh extraction, foot measurement, and offline licensing; the SDK also supports apps in healthcare, industrial inspection, retail fit-tech, and augmented reality. Structure Capture exports STL, OBJ, and PLY CAD files directly from compatible iPhones and iPads, and includes a Scan Quality Indicator. The SDK detects foot landmarks such as metatarsals, heel point, and arch height. Capture works with specified TrueDepth-enabled iPhones and iPads running iOS 16 or iPadOS 16 or later, and Structure Sensor ST01, ST02, and ST03. A seven-day SDK trial costs nothing. Capture costs $19.99 a month or $199 a year; the Structure Sensor 3 costs $995, paid once. Commercial SDK distribution requires a contract and a quote.