Circle/Sphere Packing.
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 From:  MO (MO_TE)
11874.15 In reply to 11874.5 
Hi PaQ
NodeEditor Plus includes a circle packing node that can be useful for arbitrary shapes, especially shapes with holes. The node called "Image Circles" was developed by Wayne Hill. It uses an image to generate a circle packing pattern.
Here, I've just imported your screenshot into Gimp and used "Fuzzy Select" and "Bucket Fill" tools to make a PNG image with a transparent background.
Load the image into "Image Circles" by clicking on the node's white area and change the settings. Then connect this node to an "Output" node and press the Run button to get the desired result.
If you want to keep the results, press the Apply button.

Tip: Double click on the canvas to open the search box.
Image Attachments:
Size: 104.1 KB, Downloaded: 26 times, Dimensions: 1450x862px
Size: 145 KB, Downloaded: 53 times, Dimensions: 1528x513px
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 From:  PaQ
11874.16 In reply to 11874.15 
Ho that's very interesting.
Thanks for posting, I definitively need to check that out, it's probably way smarter than my method !
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