Understanding the difference between isometric view and isometric projection can be seen in how the lines which are parallel to the object are parallel at the isometric projection.
Vertical lines on the object appear vertical at the isometric projection.
Horizontal lines on the item are drawn at an angle of 3 0° with the horizontal at the isometric projection.
A line parallel to an isometric axis is called an isometric line, and it's fore-shortened to 82 percent.
A line that's not parallel to any isometric axis is known as the non-isometric line, and the extent of the fore-shortening of non-isometric lines is different if their inclinations with the vertical planes are different.
Draw lines parallel to the axes and passing through the above points and obtain the isometric Drawing of this object by darkening the visible edges (e).