Residual limb models scanned using the EINScan Pro 2X Plus scanner with added HD Prime Pack

This dataset contains limb models scanned using the EINScan Pro 2X Plus scanner. At each of 3 sites, operator 1 (OP1) scanned the four limb models twice (OP1-A and OP1-B) with the structured-light scanner, and operator 2 (OP2) scanned the four limb models once with the same scanner, for a total of 12 scans per site. At the European site, an additional reference scan of each positive model (4 scans) was conducted by an independent professional Operator (OP0) using the metrological scanner (EINScan Laser FreeScan 5X). , All limb models were scanned using the EINScan Pro 2X Plus with added HD Prime Pack (SHINING 3D Tech. Co. Ltd., China): an external add-on camera mechanically locked to the scanner with a latch-on USB port that allows for HD scanning. At the beginning of each measurement session the scanner was calibrated following the manufacturer’s instructions and using the etched glass board provided with the scanner. All scans were completed in hand-held HD Scan mode, without markers (“features mode”), setting a resolution of 0.5mm, at 20 frames per second, with 1 million points collected per second. A metrological scanner was used as a reference and assumed as ground truth: the EINScan Laser FreeScan X5 (SHINING 3D Tech. Co. Ltd., China).
Four distinct limb shapes were selected from a digital database of over 1000 sockets from one of the clinical sites: A. Transfemoral socket for a long residual limb, with ischial containment producing undercuts/indentations around the proximal brim, referred to a..., , # Residual limb models scanned using the EINScan Pro 2X Plus scanner with added HD Prime Pack

[https://doi.org/10.5061/dryad.37pvmcvsm](https://doi.org/10.5061/dryad.37pvmcvsm)

## Description of the data and file structure

The file names are composed as follows:

\- Level of amputation (TT, TF)

\- Socket type (Cylindrical and Conical for TTs; Aqua and Ischial for TFs)

\- Operator (OP0, OP1_A, OP1_B, OP2)

\- Acquisition center (EU, USA1, USA2)