I"m still not quite sure how to incorporate the 4 corners into the main sculpture, or even how to get rid of them, I tried the extraction but it didn’t work. Had a horrid time with the hair, having to redo and smooth over and redo again. Still didn’t get it quite right, but for the most I was reasonably happy with the rest of it. It’s a start anyway. This tutorial was from the Zbrush Character Creation book. A little over my head since I knew nothing about how to work it, so I did the vases and then a goblet to figure things out before doing this. One of my next projects is a character design for a kid’s book. That will be fun. 
I think it looks quite attractive. Unfortunately, I don’t have the same talent as you. However, this service sector is very popular these days. My sister does something similar. She is a designer by education and moonlights in this field. Last week I decided to renovate my old apartment. Just the same, my sister helped me choose a glazed door. Btv, she taught me that In most cases, it is correct when the color of the door is noticeably different from the color of the walls. But this is more true for doors of dark tones.