Can someone help me make a new Part? DC-DC Step-Down!

i have made this, is not precise, but it's work.
this is for stepdown based on LM2596S
but you can easily make based on XL6009,with is stepup.
the dimension of the board is the same.
for mounting hole i'm not 100% sure, this is my first creation. if you have suggestion let me knowDC-DC Step Down LM2596S.fzpz (16.0 KB)