hanging bird nest

i made up this model from the real nests that some birds make in nature, it has a suitable hole for small birds and in this scale its about 50mm, the organic shape of this model make it very strong against the wind and the ledge up on the entrance lead the waters of rain to the side and the bowl shape of bottom the model help the birds to make it comfortable for their eggs and babies, and easy to decorate their home. enjoy it

you can see some dimensions in the last picture