A Text Book on Engineering Graphics - Central Board of Secondary ...
A Text Book on Engineering Graphics - Central Board of Secondary ...
A Text Book on Engineering Graphics - Central Board of Secondary ...
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ISOMETRIC PROJECTION<br />
Steps:<br />
1. Draw an isometric projecti<strong>on</strong> <strong>of</strong> square prism in horiz<strong>on</strong>tal positi<strong>on</strong>.<br />
2. Indicate the centre <strong>of</strong> the top rectangular face with c<strong>on</strong>venti<strong>on</strong>al lines.<br />
3. Around the centre 'O' draw hexag<strong>on</strong>al base <strong>of</strong> the pyramid. Draw the axis <strong>of</strong> the<br />
pyramid from the centre to the apex.<br />
4. Join all the visible edges (no hidden lines) <strong>of</strong> the two solids by using thick lines.<br />
5. Complete the isometric projecti<strong>on</strong> <strong>of</strong> the two solids with dimensi<strong>on</strong>ing, directi<strong>on</strong><br />
<strong>of</strong> viewing and their axes, as applicable, using c<strong>on</strong>venti<strong>on</strong>al lines.<br />
Ø 42<br />
62<br />
1. BELOW: HEMISPHERE 2. BELOW: HEXAGONAL SLAB<br />
ABOVE: CYLINDER ABOVE: PENTAGONAL PRISM<br />
COMMON AXIS: VERTICAL COMMON AXIS: VERTICAL<br />
ENGINEERING GRAPHICS<br />
Ø 80<br />
MORE TO DO<br />
25<br />
50<br />
45<br />
25<br />
35
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