Front derailleur braze-on tab

[kolemproject]

Hello, can you point me up for dimensions of this tab? I would like to make my on, since I cant find any nearby. I can only find a placement position on ST.

for reference.

Thank you, Pavel

[DEVLINCC]

Here are the Shimano specs for it.
Front Der.pdf (147.0 KB)

[kolemproject]

Thank you.