10 centimeters means the smaller grid size you can see is 10 cm. As we want to design a 5 cm screw we will have to resize this plane (the points that define the plane will than move alltogether to smaller coordinates, once again we are not modifying the global scale of the object, ...
Initially, there are no real 'dimensions' in Blender, they are simply 'Blender Units'. You can change this to imperial or metric but they are not necessary unless you're making something to scale for the real world. I'd suggest that you leave the units set to 'none' unless/until you ...
Blender is an open source 3D creation software. We mainly used it to create our 3D models and it proved to be very efficient and fast, allowing us to finish our whole environment in under 24 hours. However, I do not want to focus on this specifically in this p...