Gavin
Nice job and bravo for sticking with what is not an easy subject to get right, namely figure painting. I would suggest that you have a go at a 1/10th scale bust. Pick something fairly simple. There are lots of companies that sell them, Young miniatures, El Greco miniatures etc etc. The idea is to tackle something that you think is really difficult, but to take your time, look at some youtube demos and you will find that it is not as hard as you think. This will give you the confidence to try more and more challenging subjects. Below is one of my busts just to give you an idea and if you need any tips I am happy to oblige.

John
Nice job and bravo for sticking with what is not an easy subject to get right, namely figure painting. I would suggest that you have a go at a 1/10th scale bust. Pick something fairly simple. There are lots of companies that sell them, Young miniatures, El Greco miniatures etc etc. The idea is to tackle something that you think is really difficult, but to take your time, look at some youtube demos and you will find that it is not as hard as you think. This will give you the confidence to try more and more challenging subjects. Below is one of my busts just to give you an idea and if you need any tips I am happy to oblige.
John
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