There are two main types of projection:

This type of surface is tipped to all principal planes of projection and does not appear true size in any standard view:

Oblique drawings are dimensioned in a similar fashion as these types of drawings:

Generally, the units used on an architectural drawing are set to __________.

What is the dimension of A1 size drawing sheet?</p>

The edges of a cube in isometric projection make angles of this many degrees with each other:

There should be a visible gap between the wall and the _________ line.

This type of solid is egg-shaped and can be created by revolving an ellipse around one of its axes: