Dragon Door Knocker - Meshmixer support

I wanted to print this nice model, but it was way to big for my uDelta printer.
I had to reduce the size to 40% of the original. I did this withing Repetier Host itself.
As an result of this, some of the support (at first I used the file including the support) was not sliced, making some of the supportstructures floating in mid-air.

After this I tried the file without the support and add supportstructures with Repetier, but this covered most of the model in supportstructure making this a no