If you have 3D Canvas Lite it doesn't export files for FPSC as it only exports .pov files.
If you have 3D Canvas Pro it will export .x files.
It would be in your best interest to download the free entity creator available on the FPSC downloads page where you found the demo.
It has a video tutorial which is very informative.
Then I would get ECS Professional to import your entities.
If you are using 3D Canvas Pro you will need to rescale your models before exporting them.My guess is you would scale the whole model x10.
FLa
Where you can find my demo:http://www.savefile.com/files/6970524