Hey, thank you:)
You can get the asset here:
https://assetstore.unity.com/packages/tools/physics/smart-slicer-2d-109353
A member registered Jan 16, 2018 · View creator page →
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Smart Destruction 2D is a powerful tool to modify 2D sprites & terrains.
Smart Slicer 2D is a powerful tool to modify 2D objects that are using 2D Colliders.