No matter what Your UV layout is !! Just Drag one of the materials in this Package into a mesh object in the scene.You will get seamless and perfect effect!! its unlit shader support SRP URP HDRP !! This package Includes two Shaders. one for object.one for sphere-shape model as a fake skybox(just scale the Sphere to very big one). This package Includes 6 example Materials(one for watercolor. five for illusion space ). 5 Noise Textures .1 matcaps textures and 3 watercolor texture in this package. Just drag one example Material into Sphere-shape model or a mesh objext.everything is Done!!
>>WaterColor DEMO
>> illusion space DEMO