Computer Case Revival From 90s to Now(MOD)

Hello everyone, this is my 1st instructable so plz help me get better :)

First thing's first

first you need to plan it. How you want your case to look like.

It includes 2 main things

1. Outer appearance.

2. and most important, You dont mess up your Case ventilation.

These are 2 In-takes

1 120mm fan hitting directly to my Ram sticks and moving to CPU.

1 80mm fan hitting directly to my HDD and moving towards GPU.

These are 3 Out-lets

1 120mm fan above taking hot air directly away from my CPU outside.
1 88mm fan at rare, helping keeping presure banlanced.

1 120mm fan inside my PSU.