first, you need to install Ansys Additive Suite

and watch this video it will clear the vision for you Insha Allah

https://www.youtube.com/watch?v=mZZfJbMgQkk

Parth Parmar

Hello

you can search ABAQUS and you will found many good tutorials movies:

https://youtu.be/zdR9mc39KWo

and this is one of the best:

https://youtu.be/dX60eFXM8Fg

using Ansys for instance, you simple create your models by the same geometry as the ones you used to print, then input same material properties in the element set up stage. you can choose various meshing styles. does your model have any form of stress concentration feature?