It all started when I was researching a possible Canadian Infantry company for Flames of War. I discovered during this that in WWII, the Canadians did not use the Loyd Carrier, as the British did, but instead used a vehicle developed by the United States, but not adopted by them. It looks like a stretched Universal Carrier, but is distinctive for being about 30cm longer, and having a different suspension layout.
I did my usual due diligence in researching, and compiled as many drawings and photos as I could lay hands on. Initially, I was going to build one, and cast it to make the rest, but I realized that with how thin the walls of a T16 are, one-piece moulding would result in too many bubbles. I crafted an initial prototype to get measurements right, and correct what might've been wrong, and the end result was this:
From there, I revised the measurements that didn't work, and got to building: