A quad is a 4 sided polygon with 4 sides and 4 vertices, and is made up of 2 triangles. A 3d cube has 6 quads
Vertex
A Vertex is a point that connects vertices together to create a face of a polygon. It connects three or more vertices together to create the face. A group of selected vertices can be scaled, but it will only change the distance between the vertices as a single vertex cannot be scaled as it is just a point in a 3d space.
NURB
A “Non uniform rational b-spline”. Can be simply summed up as a curved line in the 3D modelling software. Is able to be modified using control points. Gives smooth edges to a model.
Normal Map
A Normal Map is a more advanced version of the grayscale Bump map, normal maps use RGB values to modify the normals of an object. Using the added colour value the normal map can have more detail in the model, without increasing the polycount of the model.
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