Open-source software used by printerade.com 3D studios

occt-import-js 0.0.23 (includes Open CASCADE Technology)
  Converts STEP files to 3D meshes in your browser.
  Copyright holders:
    occt-import-js © Viktor Kovács
    Open CASCADE Technology © Open CASCADE SAS
  License: GNU Lesser General Public License v2.1 (see occt-import-js-LICENSE.txt).
  It is shipped unmodified as separate files (occt-import-js.js and occt-import-js.wasm), so you can replace it.
  Source: https://github.com/kovacsv/occt-import-js/tree/v0.0.23
  Package: https://registry.npmjs.org/occt-import-js/-/occt-import-js-0.0.23.tgz
  On request we will provide the complete corresponding source code of occt-import-js 0.0.23, including the Open CASCADE Technology version it was built from, for at least three years. Ask through https://printerade.com/contact.

fflate 0.8.3
  Writes the 3MF file made from a STEP file.
  License: MIT (see fflate-LICENSE.txt).

three.js 0.180.0
  Shows the 3D preview.
  License: MIT (see three-LICENSE.txt).

Manifold 3.5.4
  Builds watertight Double Take geometry in the browser and owner function.
  License: Apache-2.0 (see manifold/LICENSE.txt).

Double Take Sans (glyphs v2)
  Derived from Archivo Black, with printable terminal and arm corrections.
  Copyright 2017 The Archivo Black Project Authors.
  License: SIL Open Font License 1.1. The complete source copyright and license
  text is embedded in /assets/double-take/glyphs-v2.json and available at
  /assets/double-take/LICENSES/ArchivoBlack-OFL.txt.

Archived Double Take candidate outlines (glyphs v1)
  Archivo Black, Rubik, Montserrat, Alfa Slab One, Lilita One and Fredoka:
  SIL Open Font License 1.1. Roboto Slab: Apache-2.0.
  Original copyright and license texts: /assets/double-take/LICENSES/.
  Version 1 is retained to reproduce saved designs; new designs use Double Take Sans.