Inspiration

Beginner

Chong made a superb Tutorial in which he makes and animates a Sci Fi Corridor.  He models all the parts needed, (He uses a Boolean approach.)  An important tip is how he keeps the models to 1 meter, and sets the origin points to the lower right of the models so he can tile them later in geometry nodes.

Beginner

Here is a little tutorial on how to make a dress for your female characters.  In the Cloth setting there is a sewing setting that makes this technique possible.