If you prefer to draw it yourself, the dimensions are as follows:
I would really love to see if you guys make one of these! You can post a picture on my facebook wall (search TammyHallam on facebook), or tag me in a picture on instagram (@therealtammyy) ^__^
Remember that you can resize the template on MS word or any picture editing software, if you want to make your plushie bigger or smaller than the one I made.
To download the template, click the image first to view it in full screen, then right click and choose 'save image as' or something similar. :')
Here is how mine turned out: