I remixed this to fit a Delta BFB1012VH 2.7A 12V 3-pin blower fan which is available from aliexpress.
https://de.aliexpress.com/item/32752780480.html?spm=a2g0s.9042311.0.0.27424c4dJSnWEL
This fan should mount in the exact same holes in the existing blower housing.
The author remixed this model.