Use a carpenter s square to get around to the bottom.
I got cut on hand from gutter.
I had originally planned to use a jigsaw but there wasn t room to maneuver it so i used a hand.
Buy a box miter and cut the back and bottom off of a short piece of ogee gutter what ever size you re going to be working with.
Cut a four inch long notch to overlap and splice together gutter sections.
Laying your gutter on the workbench measure off the amount of gutter you want to cut and mark it with a pencil.
The gutter was full of broken pieces of shingles so i got the shop vac.
Let go of the trigger when through and then pull the saw back up to its starting position.
Clean and mark the gutter to make your cut for the outlet.
It is an old house with a tin roof on top of a shingled roof.
Cut along the pencil cut line with a pair of aviation snips.
I ve got templates that i made years ago that i lay on the face of the ogee to mark the gutter with.
Use the old adage measure twice and cut once then turn the gutter upside down on the table and mark it all the way around.
Plug in the saw and squeeze the trigger button.
Extend the cut mark around the aluminum gutter by aligning the blade of the combination square with the length mark you placed on the bottom surface of the aluminum gutter and running the carpenter s pencil along the edge of the combination square blade.
I cut the edge of the metal roof to expose the gutter.
Cut all the way through at a consistent speed.
Grab one side of the gutter and lower the saw slowly to the gutter.
How to cut a custom gutter miter.
Repeat the process for additional cuts.
If the section of the gutter you are discarding is on your left use the right hand tin snips and vice versa if the discarded section is on right.
If you have difficulty cutting with the tin snips make another cut 1 to 2 inches away from the cut line with the alternate hand snip.
Out and started to clean the gutters out and got a pretty good electric shock.
Then with the combination square transfer the line down each side of the aluminum gutter.