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# W7 isometric drawing1

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### W7 isometric drawing1

1. 1. CH 414 E E NGINE RING DRAW E ING MUNAWAR ZAMAN BIN SHAHRUDDIN Faculty of Chemical Engineering Universiti Teknologi MARA (UiTM), Shah Alam Tel: 03-55436339/019-2490416 E-mail:munawar_zaman@salam.uitm.edu.my
2. 2. ISOM T E RIC DRAW ING It should not be confused with 3D Solid model drawing. It is a 2D method of describing objects in pictorial form.
3. 3. SE T T ING ISOM T E RIC SNAP • Before starting isometric drawing, must set Snap to isometric style: • • Command: snap, ENTER Specify snap setting or [On/OFF/Aspect…]: type in ‘s’ for style, ENTER Enter snap grid style [Standard/Isometric]: type ‘i’ for isometric, ENTER Specify vertical snap: Type 5, ENTER • • • • Check out the cursor hair line. It will now be set in isometric pattern. There 3 main positions when working in this setting. Use Ctrl-E or F5 to toggle between isometric top, iso-right or iso-left. 3
4. 4. • The three isoplanes and isocircles. Isoplane top Iso pla ne left p Iso ht rig e lan 4
5. 5. Isometric Circles • When drawing circles in isometric, the result will be an ellipse. • To ensure that the ellipse is an isometric circle every time Ellipse command is called, the setting “I” must be used. • Command: ellipse • Then type in “i” (for isocircle), ENTER • Specify radius:…. • Try to construct an isocircle at the 3 different positions (top, right, left). 5
6. 6. To produce an isometric, it is advisable that you begin by sketching out the isometric drawing complete with the vital dimensions to give you an idea of how it would look like on AutoCAD. Once the sketch is confirmed, you are then ready to start drawing using the software. 6
7. 7. E xercise time! Class work. 7
8. 8. 8
9. 9. ISOMETRIC TUTORIAL There is an error in the stepby-step figure. You will find out what the mistake is while practicing with this example exercise. 9
10. 10. ISOMETRIC TUTORIAL There is an error in the stepby-step figure. You will find out what the mistake is while practicing with this example exercise. 9