First stage is to clamp the blade to the stainless bar and with the drill, mark the first pin hole. The blade is removed and the hole drilled in the bar and the blade returned with a tempory pin in place with the clamp back in place to allw the marking of the second hole. The process is repaeated and then with two pins in place the clamp is no longer needed for the marking of the third hole.
I have a slice off a 2 inch pipe that is my marking template and in this pic it is placed to show where it will go on the bar for the front of the bolster.
