|ind||The index of the model to be saved.|
|fname||The name of the file to save the model to.|
With this function you can save the indexed model to a text
file, which can then be loaded in again using the d3d_model_load() function. You
should note that you can actually use almost any format file you
like use as long as the name is the same for loading.
Saves the model indexed in the variable "model" to a text file.