three.modifiers 2.5.7
Author: drawcall
Source: https://github.com/drawcall/threejs-mesh-modifiers

The npm package declares the BSD license. The upstream README identifies
BSD-3-Clause: https://opensource.org/licenses/BSD-3-Clause

The upstream README also credits the ActionScript AS3Dmod engine:
https://code.google.com/archive/p/as3dmod/

This dependency supplies page deformation to Quick FlipBook. No third-party
sample photographs, videos, or generated Death Valley pages are included.