Format

Draco

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Summary

Name: Draco
Version: 1
Identifiers: PUID: fmt/1046
Format type: Model
Description: Draco is a library for compressing and decompressing 3D geometric meshes and point clouds. It is intended to provide efficient storage and transmission of 3D graphics.
File extensions: drc
Submitted by: Digital Preservation Department / The National Archives
Developed by: Google
Supported by: Google

Relationships

Is previous version of

Draco 2

Internal signatures

Draco

Description: BOF: 'DRACO', major version 1 Header defined in code: https://github.com/google/draco/blob/master/compression/config/compression_shared.h
Provenance: Specifically https://github.com/google/draco/blob/73bb3c8530f2863db55b2c93c293e2f2f07a067e/compression/config/compression_shared.h

Byte sequences

Min Frag Length: Absolute from BOF
Offset: 0
Max offset: 0
Byte Sequence: 445241434F01
Endianness: None

Changelog

V121

Release date

24 September 2025
- Updated
  
  Draco v.1: Renamed format to Draco v.1. Submitted by Preservica.
V91

Release date

25 July 2017
- Added format
  
  Draco File Format: Full entry added.
- Added signature
  
  Draco File Format: Signature developed through PRONOM Research.