---
type: lookup
id: e57-2d-45-35-37
asset: file-format-signatures
title: "2d 45 35 37 — File format magic numbers"
sources:
  - https://en.wikipedia.org/wiki/List_of_file_signatures
source_quote: "2d 45 35 37 | ASTM-E57 | 0 | e57 | ASTM E57 3D file format |"
generated: true
verified: false
harvested: 2026-08-03
stale_after: 2027-08-03
hex_signature: "2d 45 35 37"
offset: "0"
extension: "e57"
format: "ASTM E57 3D file format"
---
**Hex signature:** 2d 45 35 37

**Offset:** 0

**Extension:** e57

**Format:** ASTM E57 3D file format

> 2d 45 35 37 | ASTM-E57 | 0 | e57 | ASTM E57 3D file format |

Source: <https://en.wikipedia.org/wiki/List_of_file_signatures>