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It's called the normal.
A table top is horizontal, otherwise, the plates would slide off. Any surface, drawn line, or object, classed as being level is also horizontal.
A two-dimensional object is an object that can be drawn on a flat sheet of paper. It's called "two-dimensional" because it has 2 dimensions . . . length and width, but no height.
Object Line
Basically its just where you position the views of the main object, in first angle projection, if you view the object from the left, the view is drawn to the right of the object, in third angle projection, its drawn on the viewing side.
contour line
contour line
It's called the normal.
A table top is horizontal, otherwise, the plates would slide off. Any surface, drawn line, or object, classed as being level is also horizontal.
normal
normal
normal.
A two-dimensional object is an object that can be drawn on a flat sheet of paper. It's called "two-dimensional" because it has 2 dimensions . . . length and width, but no height.
A normal line is the name of the line drawn perpendicular to the surface where a light ray strikes.
A normal line is the name of the line drawn perpendicular to the surface where a light ray strikes.
A normal line is the name of the line drawn perpendicular to the surface where a light ray strikes.
A normal line is the name of the line drawn perpendicular to the surface where a light ray strikes.