I hate to say but I typically just buy a new one. But most of my blades are smaller ones so cheaper.
https://www.paoson.com/en/blog/saw-blade-router-bits-sharpening-station–n111
https://www.paoson.com/en/blog/how-to-sharpen-router-bits-n112
I hate to say but I typically just buy a new one. But most of my blades are smaller ones so cheaper.
https://www.paoson.com/en/blog/saw-blade-router-bits-sharpening-station–n111
https://www.paoson.com/en/blog/how-to-sharpen-router-bits-n112