Tutorials/Help in Blender

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How to make 3D model in blender?

(fixed) Anyone know any help to this? i'm using a guide by CG geek to try and make a 3D model, but when i used booltool (a addon to blender) to turn all my meshes into a union i got this.


(Already Solved) Why this is happening to me?
How I can solve it?
(Solved) How I can make a bow tie in FNaF style?
Is anyone else having trouble with Blender constantly crashing? I'm trying to render a pretty big blend, and even after doubling the memory cache limit, it still crashes. FYI, I don't have a proper graphics card, but an APU built into the CPU.
blender keeps crashing when i try to render an animation
how do you make a train face plz help