NATIVE MODEL
model.step
A mechanical part model in millimetres.
ENGINEERING DATASET
PartAlign-30K
30,000 mechanical part pairs available, each with a STEP model and a matching technical drawing. Download a 25-pair sample with DWG and PDF drawings and a JPG render for each part.
LINKED PART RECORDS
CAD geometry paired
with technical drawings.
Each record keeps the 3D part and its matching editable drawing together.
Drag to rotate · Pinch or scroll to zoom
Matching drawingSAMPLE CONTENTS
Four files,
one part.
The 25 sampled pairs are ordered by STEP face count, highest first.
NATIVE DRAWING
drawing.dwg
The corresponding editable CAD drawing.
DOCUMENT VIEW
drawing.pdf
A PDF view of the technical drawing.
VISUAL PREVIEW
render.jpg
A quick image of the part for browsing.
LINKED CAD DATA
Model and drawing,
one record.
Every pair connects STEP geometry to its corresponding editable CAD drawing.
part and drawing pairs30,000STEP model linked to DWG drawing
pairs in the sample25Four files per pair
faces per sampled part14–603Ordered by STEP face count
PACKAGE STRUCTURE
One folder
per part.
The manifest records face counts, file sizes, and SHA-256 checksums for every file.
part-drawing-pairs-sample.zip
├── README.md
├── manifest.json
└── pairs/
├── PAIR-001/
│ ├── model.step
│ ├── drawing.dwg
│ ├── drawing.pdf
│ └── render.jpg
├── ...
└── PAIR-025/
├── model.step
├── drawing.dwg
├── drawing.pdf
└── render.jpg