How can i make a 3d block/object

Question

for example 3d minecraft block

Answer 1

That s up to your cleverness to arrange parallelograms and squares and rectangles and use the correct shading techniques

Answer 2

Pls, no uppercase that makes you sound like you are being rude

Answer 3

Don't capitalize your whole title.

Answer 4

sorry

Answer 5

You should check out Direct3D and OpenGL. The latter is what Minecraft actually uses.

I'll warn you though: be prepared for lots of math (So scary!)