Geeetech Prusa I3 pro B MK8 cooling fan with BL Touch / Proximity Sensor mount.
BL Touch Probe offset:
X: -25
Y: -41
Z: -2.5
Proximity Sensor d12mm
...Plus offset:
X: -21
Y: -40
Z: setting dependent
Proximity Sensor d18mm offset:
X: -24
Y: -44
Z: setting dependent
Fan type:
50mm Blow Radial Cooling Fan
https://www.banggood.com/3D-Printer-12V-DC-50mm-Blow-Radial-Cooling-Fan-p-980653.html?rmmds=myorder