Keras SubPixel 3D

Hi, Thank you for the Subpixel 2D implementation in Keras, I am able to run the 2D implementation.
I am currently working on a 3D Convolution and trying to implement Subpixel for 3D convolution. I was wondering if there was an implementation for 3D Convolution and / or is there any specific parameters that I need to take into account when implementing Subpixel 3D