This clip is a good guide to papering around a corner, where the walls are way off plumb, but how would you get the left edge of the paper plumb as well as the pattern level if NOT papering up to a door frame?
This clip is a good guide to papering around a corner, where the walls are way off plumb, but how would you get the left edge of the paper plumb as well as the pattern level if NOT papering up to a door frame?
There is no way that paper would run plumb if the door frame was not there to hide his cheat. The left hand side of the paper (if working right to left) must ALWAYS be plumb and if that means trimming and losing pattern then so be it. He didn't even do a plumb line for the left hand edge and by pushing the paper into the corner away from the doorframe he would be knocking it out of plumb for an adjacent piece of paper if there was one.
The technique of cutting the piece of paper into two is correct, however you have to measure the width of second piece so lets say you have 360mm, you can then plumb a line at 340mm so you can allow for 20mm deviation in the wall. If you measure from the plumb line to the wall at the top, middle and bottom you may get top 345mm, middle 350mm and bottom 355mm so you know you're safe because you have a 360mm width. You do get pattern loss but if your careful and accurate you can get the above measurements fairly minimal so you trim less and lose less pattern. Sometimes a paper will allow you if your clever with your setting out to have a patternless bit of paper go into the corner and out again, this gives the eye no percieved pattern loss.
And as far as using the adjacent wall to achieve a working vertical is concerned would be foolhardy.
Dec
...the task that the op faces here is far from difficult as I tried to outline in my first reply....
Dec
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