OMGEXTRD OMG A2 Fan nozzle 3d model print file download
Bracket for installing bltouch sensor:
The download is a '.rar' file,
You have to unzip the file,
Turn it into a '.stl' or '.sldprt' file and then open it.
After downloading, you can use the decompression software WINRAR to decompress the file and get the .STL.