Hand Grenade Model (Remix)

Sterling500's Hand grenade model (https://www.thingiverse.com/thing:335723) is probably the closest I've seen to the WWII era MK2 grenade, but there were a few tweeks I wanted to make.

In the original model the handle is not held down by the pin, like the actual handle is. So I redesigned both the top and the handle to take a pin.

While I was at it, I moved the pin location to the side of the top where it's located on the actual MK 2.

I also moved the hole for the spring and added a post inside the hole. When printed at 50% size, this produces a combination that is just about perfect for the spring from a "clicky" pen, though I had to cut my spring in half.

I made a new pin too, though in the end the pin part broke on me. I replaced it by taking a piece of filament (1.75 in my case) and heating and bending it to shape. The pin part is doubled over and rolled while warm between my fingers to get to the right shape. It works pretty good. I used the ring from my thing, t