आइसोमेट्रिक आरेखण (isometric drawing) में, क्षैतिज रेखा के साथ सममितीय अक्षों द्वारा बनाया गया कोण हमेशा कितना होता है?

While converting orthographic views into an isometric view, the angles between the isometric axes are typically:

_____ is the basic thing to be known to convert an orthographic view into an isometric view of an object.

For drawing the isometric view of a three-dimensional object, the value of the angle with the horizontal is usually: