O

Obiique cones, 155, 156 Oblique planes, bevels in, 141

Oblique projection, 100-113 Oblique projection dimi nished, 105 ; half scale, 102, 103 ; theory of, 102 Oblique projection, varieties of, 100 Oblique scale, 106 Octagon chimneys, 192; roofs, 72; setting-out an, 193-193 Octagonal roof, 71, 72 ;

prism, 88 ; pyramid, 87 Octagons, 87, 192 Ogee arch, 171 ; mouldings,

39 : root, 72 Optical corrections in lettering. 44

Ordinates, delinition of, 10; of ellipse, 151, 157; of parabola, 158 Orthographic projection, 4681

Orthographic projection, meaning of term. 48; principles of, 2

Was this article helpful?

0 0
Freehand Sketching An Introduction

Freehand Sketching An Introduction

Learn to sketch by working through these quick, simple lessons. This Learn to Sketch course will help you learn to draw what you see and develop your skills.

Get My Free Ebook


Post a comment