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I'm missing my favorite matcap from Blender 2.79 in 2.80, this one on the left, indicated with a blue border:

Blender 2.79 matcaps

Is there a way to extract matcaps from 2.79 and import them into 2.80? Or maybe there is a repository of old matcaps as images, somewhere in the Blender git?

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OP's comment here reminded me that you could probably check the v2.79 tag (i.e. release) to find these files.

Here they are on the official repository:

https://git.blender.org/gitweb/gitweb.cgi/blender.git/tree/v2.79:/release/datafiles/matcaps

Here they are on the GitHub mirror:

https://github.com/sobotka/blender/tree/v2.79/release/datafiles/matcaps

The one you're looking for looks like Matcap 9:

enter image description here

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    $\begingroup$ Good call! I've mentioned your suggestions too now $\endgroup$ – Nicola Sap Dec 29 '18 at 20:47
  • $\begingroup$ Good idea, mine was slightly less convenient - download the whole archive and extract those files, eg. from there download.blender.org/source/blender-2.79b.tar.gz $\endgroup$ – jubi Dec 31 '18 at 13:38
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If I remember correctly, matcaps in 2.79 weren't exr, which should mean that they were basically defined by their own preview image.

So what I'd do is:

  • take a screenshot of B2.79 (as you have already done)
  • cut just the matcap:

    enter image description here

    (( or better: use the actual 2.79 jpegs as Moira suggests! ))

  • save it (e.g. with GIMP) as an .exr

  • place it in the Blender folder, under 2.80/datafiles/studiolights/matcaps

  • voila

    enter image description here

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  • $\begingroup$ Thanks, I got another idea after some searching on blender git, the main problem was the "master" is now a 2.8 so I couldn't find those files there, but I found them elsewhere, maybe I will publish that as another answer later. $\endgroup$ – jubi Dec 29 '18 at 20:11

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