Unfortunately I do not have this part, nor did I find any pictures from below.
I think a good approach for the beginning would to do a POOP (Part Out Of Parts) approach and build the part from what is available, that looks feasible to me.
See the attachment
I think a good approach for the beginning would to do a POOP (Part Out Of Parts) approach and build the part from what is available, that looks feasible to me.
See the attachment