I personally would start by taking a sphere, manually moving around the vertices a lil to make it look organic , sink that into your model and use Boolean function to subtract the sphere from your model.
Then maybe raise up the rim of the hole a lil.
I personally would start by taking a sphere, manually moving around the vertices a lil to make it look organic , sink that into your model and use Boolean function to subtract the sphere from your model.
Then maybe raise up the rim of the hole a lil.