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| ORTHOGRAPHIC DRAWING - ADVANCED EXERCISE FOUR |
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| ORTHOGRAPHIC DRAWING - THE G CRAMP |
| This exercise is concerned with completing the orthographic drawing of the G Cramp. Drawing a screw thread is as difficult as it may first appear. The diagram below explains it. The main point is that there is no need to draw each individual thread. A double line (see below) represents the thread. The distance between the double lines is the ‘depth’ of the thread. |
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| HOW TO ANSWER THE QUESTION |
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| STAGE TWO |
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| STAGE THREE |
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| STAGE FOUR |
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| THE ANSWER |
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