Image stacking is common practice with macro photography.
A true macro lens has an inherently shallow depth field, and as such an object with any depth to it, may require a considerable number of images to be taken at different focus points
It can be very effective.
Potted Bamboo Hand Sectioned
Re: Potted Bamboo Hand Sectioned
Brunel SP100 (with 4x, 10x, 40x,60x, and 100x (oil) plan objectives), and Canon EOS 4000d Camera (microscopy use only)