I've dreamt about this publish for two years. https://80.lv/articles/making-an-ak74m-assault-rifle-in-blender-marmoset-toolbag/
UPD: They've took down my article☹️ but here's a link on original material:
https://docs.google.com/document/d/14gpmNQNxkZKGnvUu12nOoPcrJ3PUEPuqCUOE68VkSQU/edit
Also some videos here:
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