Reference

When you start a project, always get reference first.  This will guide you through the process.  You can go back to an  image and ask yourself how do I make that, or I like this style, or that looks a certain way.  Without reference your guessing.  Don't. Real world video, real world items are used as reference to go beyond and make imaginary seem  Real.  How does granite or marble look like in real life?  How does a fruit look? Use google images, or bing, or youtube.  Some images can inspire also.

Where to get the Camera Shakify Addon

You can get the Camera Shakify add-on on Github . Click the green button, and click download zip. It is always good to check if there are newer versions and to read instructions.

This camera lets you get that Ian Hubart sytyle camera shaking easily.  I've tried to replicate his style by using the graph editor and using the noise modifer, but with out much success.  But this plugin really helped.

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Hi, I entered the abandoned space station challenge on cgboost.com and this is my entry.

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.

Cables are easy in 2.93 version of blender.

Inspiration

Beginner

This is great.  Cables seem very easy now in blender. Oct 2021a

How to make Crystals

Inspiration

If you take a little bit from each tutorial, like the driver part from the first one, the texture the intermediate one, and the volume absorbtion from the last one.  You should have a very good looking crystal.