Detail this asset from Unity Store: Original Link
This is a paid asset, but now you can download NPR Cartoon Effect Free.
NPR Cartoon Effect v2.5
Complete cartoon shading package in unity3d. Include shaders + tools + demo.
– Stylized cartoon color shading.
– Cartoon stylized specular.
– Ramp texture editor.
– Rim light.
– Colored and cartoon stylized shadows.
– Cartoon water.
Stylized cartoon specular is not seen in other cartoon shading assets. You can translate / rotate / split the highlight to achieve better cartoon style specular.
– Compatible with unity free & pro.
– Compatible with mobile platform.
– Compatible with any dx9, dx11 and openGL platform.
– Demo and source code included.