Well; tried various Mathmap distortion presets too but alas, did no see any that can mimick this. The only thing you can do is use iWarp with a large radius, but it’s not as precise as you would want it to be but it can replicate this. 
Well; tried various Mathmap distortion presets too but alas, did no see any that can mimick this. The only thing you can do is use iWarp with a large radius, but it’s not as precise as you would want it to be but it can replicate this.