Here is template on a basic kindori howdah that was done in MS Paint. All one has to do is save it as bitmap and the make modification to the basic floor plan or print out the basic image and draw in the walls and other large items within the howdah.

Here is the Skullcap Ivy (it first appeared in issue 259 of the Dragon on page 67).

An extended size chart for ships and critters of Awesome size.