SmartCutter pretrained models upload - new v3 architecture

This is 2nd iteration / test of the models.
They're nowhere near finished and stable, but I'd say reliable enough for more broad test.

model_32000.pth

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+version https://git-lfs.github.com/spec/v1
+oid sha256:9b43d8817897ade22e58f76f0900c7e158f5315fb9524c9b96b0fdda11539be3
+size 55001269

model_40000.pth

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+oid sha256:f776c5487fb783ce2e6d3318c1826b35883460b0b251178b57579d34f261db8a
+size 55001269

model_48000.pth

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+version https://git-lfs.github.com/spec/v1
+oid sha256:1a612a0befb07cc2d11d6189f654b288a209d313a52db4ac6c080bc792a7b6f6
+size 55001269