This question might possibly not satisfy SE standards, but I would really need help and I am running out of time..

I need to create a regular mesh within a rectangle, sort of a texture, made of lines inclined at 45 and 135 degrees. I created a series of lines using the "Fusion tool", then put a rectangle in the middle, select both, Pathfinder > cut, but it does not work.

Here is a capture. I'd like all those lines to be cut outside the rectangle's borders.

enter image description here

Ideally, I would then need to do it here, to highlight the area under the curve:

enter image description here

where instead of the arrow, I'd like to insert a shadowed mesh to indicate it more explicitly.

Many thanks for the help..

  • Use shape builder. Pathfinder does not really work in cases where the drawing is amade with line priority (which includes nearly all technical sources).
    – joojaa
    Mar 20 at 16:33
  • @joojaa thanks a lot for taking the time to answer. Could you please elaborate a bit more ? I tried with the shape builder, but nothing happens. Also, by the name, why should I build a shape?
    – mEm
    Mar 20 at 16:44
  • whatever you want to participate in shape building must be selected before you enter shape buildetr
    – joojaa
    Mar 20 at 16:48
  • @joojaa indeed I select both objects, but instead it looks like the rectangle disappears (looses its line thickness)
    – mEm
    Mar 20 at 16:51
  • Yeah double click the tool and you can disable it changing stroke colors. Anyway its better to make a copy edit the copy in another layer
    – joojaa
    Mar 20 at 16:53

1 Answer 1


It sounds to me like you want to make a Pattern to use as a fill.

  1. Draw a single 45° line

  2. Do Object > Pattern > Make

  3. In the Pattern editor, edit one of the anchors so that the lines touch, and hit Done when you have finished.

enter image description here

  1. Now draw a shape, and select the new pattern you made in the fill dropdown

enter image description here

  • 1
    Its better to not draw it this way. Its better ti draw it vertical or horisontal, then rotate the the pattern. then the likelihood of pattern gap on expansion or other becomes a no issue as the pattern can be huge in size in on direction. the other advantage of this is that same pattern can be at any angle
    – joojaa
    Mar 20 at 16:49
  • Hot to rotate the internal fill ? From the shading window, the angle variable is blocked.
    – mEm
    Mar 20 at 16:59
  • @mEm - are you asking me? The angle is already 45 degrees. No need to rotate anything.
    – Billy Kerr
    Mar 20 at 17:02
  • More to @joojaa since he commented specifically on that.
    – mEm
    Mar 20 at 17:03
  • Ok, @BillyKerr, how to apply both 45 and 135 degrees patterns ? I am able to only select one.. not that I could not do that, but if possible, both would be better
    – mEm
    Mar 20 at 17:07

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