Recommendation? File reccomendation

[rjedoaks]

On a welded pomel. Would a 3 square or a square file work best for a tig welded inside corner. Thanks

 

[olymon]

I would say triangular. The chance of keeping a corner exactly 90° starting with a90° edge on the file means zero wobble in the file at all. Not very possible.

 

[rjedoaks]

Yeah, I'm thinking go easy. The sharp edge on the tri would seem more difficult to me on a 90.