Generally, you can make non-profit art from anything in the world, but using a likeness of anything owned by UWE in something you were going to sell would likely be a no. It's worth bearing in mind that companies are required by law to defend their patents/trademarks or they can risk losing them, which is why so often big companies can be seen to be bullying smaller ones with cease and desist letters etc.
This of course is not an official answer, just my opinion.
Comments
This of course is not an official answer, just my opinion.