Place the blade in the 90 degree or right angle grooves of the miter box or on the line drawn with the square and cut the vinyl gutter firmly.
Cut holes in gutters.
Here you can see the shape of the downspout flange i had.
Step 1 is to draw the shape of the hole and drill s few holes around that shape.
Make sure the patch is large enough to overlap the hole by at least 1 in 2 5 cm on all sides.
Then i used a fine tooth metal cutting blade in my jig saw.
Step 2 drill four holes in each corner of the outline you made of the sleeve drill one hole.
This one came with holes in it for rivets.
Once you cut the patch it may have sharp corners and edges.
This is the thing that connects the gutter and downspout together so it is important that it is placed correctly and securely.
Keep your thick work gloves on.