I've been mulling over doing some animal technical drawings for the world the past few weeks and finally tried my hand at one the other day.
The attached image is from the taxonomical section of the Encyclopaedia Elyden and is the first of that will be MANY such entries detailing the fauna of the world.
Some entries will be for mundane creatures, like horses and aurochs. Others will be of more exotic real extinct creatures (like the above indrik - indricotherium). Some will be of creatures I came up with myself. I'm looking forward to getting some of those done :)
I'm not sure how many of these I can get done at the moment, so these will be pretty sporadic at best, for the time-being. If they turn out to be popular I might do them more frequently.