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45 degrees architectural drawings assume other points axis is parallel base block or prism circular complete the top cone connecting rod contain the plane curved line cylinder describe a semi-circle drawing vertical projecting drawn edge view edges making angles end view Figure 25 Figure 9 flat tint front and top front view hence horizontal plane horizontal projection lines horizontal section Industrial Drawing intersecting line line a b line is projected line of intersection lines or edges locate long edges longer parallel marked by points mechanical and architectural perpendicular plane by projecting Plate rectangle rectangular right angles section lines section were taken separate the top shown shows a front shows the front shows the top shows two views solid sphere square pyramid tint of lines top and front top view true shape vertical plane vertical projection lines vertical section view of circle view of Figure view or elevation view or plan
Page 5 - The projection of a point upon a plane is the foot of a perpendicular drawn from the point to the plane.