Stainless steel plane after welding polishing, the same use of angle grinder a tool to complete, you can see the effect of the left side of the picture.
Stainless steel plane of the weld, the use of different grain size of sandpaper, the weld will be polished smooth.
And then use the Pepsi wheel, remove the copper wire to leave a neat trace, the same can also be used here nylon wheel and other products.
Use a stopper to leave a trace of the original weld so that the three-dimensional effect of the steel can be reflected.
The grinding of the inner corner of the plane right angle can be accomplished by using nylon wheels of different hardnesses or non-woven wheels with thin wheels.