ldr file format for models

[Roland Melkert]

The first '1' is the line type (reference)
72 is the color
next 3 numbers are the position
next 9 numbers is the 3x3 orientation/scale matrix.
and 4282.dat is the 'thing' you need to render/process at the given location/orientation using the given color.

See also

http://www.ldraw.org/article/218.html

Hope this gets you started.