I am looking to create a simple border in Gimp and have tried both the selection >> border and both the stroke selection methods and both are not creating what I am looking for. The stroke selection technique is the closest I have gotten. I am looking to create an outline in gimp around a selection using diagonals. Like the following (the dark purple):enter image description here

However I am getting it on the top but on the bottom, I am ending up with this:enter image description here

How would I go about making the border like the top (connected diagonally) all the way around. I could do it manually but I have spent hours doing this tedious task. Thanks in advance.


3 Answers 3


One technique would be to use a path, and then stroke the path with the Paint tool option set to Pencil, and with the Pencil Tool itself set to 1px.

Example enter image description here


I actually figured out the problem by changing the border width to 1.5 pixels. Well problem solved.

  • This does not provide an answer to the question. To critique or request clarification from an author, leave a comment below their post. - From Review
    – Circle B
    Jul 23, 2017 at 3:41
  • 1
    @CircleB: This is an attempt to answer and clearly not suited to be a comment.
    – Wrzlprmft
    Jul 23, 2017 at 6:40
  • 3
    @PlanetProgram: Can you provide some details? For example, which of the aforementioned tools did you use? Also, I fail to reproduce this using either tool, as my border always ends up much thicker.
    – Wrzlprmft
    Jul 23, 2017 at 6:41

Simple solution, may requires some slight manual corrections on the result:

  • Add a new layer
  • Edit>stroke path with a with of 2 pixels
  • Layer>Mask>Add layer mask and initialize by transferring the alpha channel if the layer.
  • Use the Threshold tool with a very high threshold (>250)

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