Drawing sheet
ISO तथा BSI स्टेण्डर्ड के अनुसार Drawing को निम्न मानो में बाटा गया है
|
A0 |
=841*1189 |
सबसे बड़ी DRAWING SHEET |
|
A1 |
=594*841 |
|
|
A2 |
=42*594 |
|
|
A3 |
=297*420 |
|
|
A4 |
=210*297 |
|
|
A5 |
=148*210 |
सबसे छोटी DRAWING SHEET |
Drawing sheet की लंबाई तथा चौड़ाई का अनुपात 1: √2 होता है
विभिन्न drawing sheet के आकार में अनुपात –
|
A2 |
=2:1 |
|
A1 : A3 |
=2:1 |
|
A2: A4 |
=2:1 |
|
A3: A5 |
=2:1 |
|
A0: A2 : A4 |
=4:2:1 |
|
A1: A3 : A5 |
=4:2:1 |
Drawing paper
a. Hand made paper
– USED FOR ROUGH WORK ONLY
– NOT USED for regular work
b. Mil made paper
– Used for regular work or drawing work
