cask 'openscad-snapshot' do version '2016.11.21' sha256 'c45644337450bbbac5cbb361d96899f6451a12b8244511683eb7a2cd200877fa' url "http://files.openscad.org/snapshots/OpenSCAD-#{version}.dmg" name 'OpenSCAD' homepage 'http://www.openscad.org/downloads.html#snapshots' app 'OpenSCAD.app' end