I needed to print 3D models for my class and decided to look around. I saw several ideas and the closest to a good functionality I liked what @pzeleny had uploaded previously.

1- I have previously printed tags with a hole for a thread and pzeleny's design already had that but it was too small for a thread so I added that feature and made it larger.
 

2- Also I wanted more expressive eyes, I wanted to make them more human-like, so I had to use my own design there as well.

3- For teeth as well I needed more teeth and smaller ones.

4- And lastly I needed a different proportion

So I made these from scratch using FreeCAD and since pzeleny's design was the most inspiring among all I saw after Googling, I am including the attribution and I am using the same level of open-source as pzeleny to encourage everyone come up with their ideas and share them with the world. Thank you @pzeleny!

https://www.printables.com/model/574571-pumpkin-set-2d-style