/usr/share/applications/openscad.desktop is in openscad 2014.03+dfsg-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 | [Desktop Entry]
Type=Application
Version=1.0
Name=OpenSCAD
Icon=openscad
Exec=openscad %f
MimeType=application/x-openscad
Categories=Graphics;3DGraphics;Engineering;Development;
|