# STPCorpus-18K | Orla

A collection of STEP 3D shapes spanning compact solids and more detailed mechanical forms, organized by geometric face count.

## Why this dataset

An estimated 18,558 unique STEP shapes, including 18,150 with fewer than 50 faces. Review their face-count distribution and projected library scale.

Orla sources engineering data through industry partnerships. Review the sample and the full details below to see how this collection fits your AI work. Email humans@orla.so to discuss access, licensing, or the files you need.

Dataset page: https://orla.so/datasets/stp-corpus-18k
Sample: https://orla.so/datasets/samples/stp-corpus-18k.zip
All Orla datasets: https://orla.so/agents.md

- **Dataset ID:** stp-corpus-18k
- **Schema version:** 1.0

## Source
- **Origin:** Original STEP models from engineering projects.

## Availability
- **Status:** available
- **Estimated unique shape count:** 18558
- **Projected expanded library unique shapes approx:** 186000
- **Expanded library status:** Projection subject to availability confirmation
- **Stated expanded library delivery window days:**
  - **Minimum:** 7
  - **Maximum:** 30

## Contents
- **Unit of record:** One unique STEP shape
- **File format:** STEP
- **Editable feature history included:** false
- **Feature history note:** STEP carries exchange geometry. A source CAD feature tree is not part of this dataset's stated contents.

## Geometry
- **Counting method:** Published estimates of unique shapes by face-count band. Bands are mutually exclusive and sum to the estimated available collection size.
- **Estimated unique shapes by face count:**
  - **9:** 986
  - **10:** 1542
  - **1 to 8:** 8928
  - **11 to 14:** 2936
  - **15 to 19:** 1547
  - **20 to 29:** 1487
  - **30 to 49:** 724
  - **50 to 99:** 243
  - **100 to 299:** 143
  - **300 or more:** 22
- **Estimated shapes with fewer than 50 faces:** 18150
- **Estimated share with fewer than 50 faces percent approx:** 98

## Projection
- **Method:** The expanded library estimate is approximately ten times the estimated available collection size, with a similar face-count mix assumed.
- **Qualification:** The expanded count and mix are projections, not a confirmed inventory.

## Sample
- **Step file count:** 10
- **Representative of dataset:** true
- **Download url:** https://orla.so/datasets/samples/stp-corpus-18k.zip

## Legal
- **Rights holder:** Orla Labs
- **Acquisition:** Orla acquired the raw data outright and on an exclusive basis.
- **Rights:** Orla owns the raw data and this dataset, and retains the rights to use and license them for AI training.
- **Existing license:** A subset of this corpus has been licensed.

## Pricing
- **Availability:** On request
- **Contact email:** humans@orla.so