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Tip Added here after being found buried in a post in the Q&A Section as I thought it would be useful for Others, Thx Chopsaw.

                                                                      *I have also added some PDFs and links for GIMP.



Making SEAMLESS TEXTURES using Gimp.                    * this info is in the PDF below too

 It's an open source (free) photo editing software available at

Tutorials are here :

Direct link as of June 20th 2020 ( we then post was made) to latest version of Gimp.


1. Open the image file in Gimp.

2. Edit > Copy, then Edit > Paste as new layer. Paste it as a new layer three times so you have a total of four copies, each on their own layer.

3. Image > Canvas Size. Exactly double the width and height of the image/canvas size.

4. Use the alignment tool to align each layer in its own corner (so they are all visible, not overlapped).

5. Use the "flip" tool to reverse/mirror three of the layers. Leave the top-left corner alone. Reverse the top-right corner horizontally. Reverse the lower-left corner vertically. Reverse the lower right corner horizontally and vertically.

6. Export the new image. This will now be a seamless texture when tiled. Choose it as the texture file for your material.

7. Adjust the scale of your new material since the size of the image is now larger.


* the Info above is in the PDF below too




I also made a PDF of the Latest Release Notes


GIMP 2.10.20 Release Notes.pdf



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Perhaps as you try and Practice with Gimp , you'd like to Share some Seamless or Other Textures with other Chief Users? then I think this Thread would be a good Place to put them as there is no Forum dedicated to such matters. 


2560x1440 Black and White (IR) Screen Background I made following the 1st Gimp Basic Tutorial of a recent SpaceX launch.


 Space_Launch_IR_Small.thumb.jpg.209aa476ec4c1356d1ca8b13f708fbd3.jpg  The Full sized File :

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