I had a gentleman reach out to me and explain I was a bit off on my Pack 75mm Howitzer Shell design, https://www.thingiverse.com/thing:2808269. Long story short, I used pictures off the internet and a Blank casing to scale my original shell to the correct size. Actual brass is about 3 inches longer. Alex provided me measurements and pictures to ensure I created a true to life 75mm Howitzer Shell.
This shell is designed to be a life size replica that fits in a full size 75mm Brass casing.
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