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   Hi,

I have a CAD drawing in model space, full scale. I go to paper space and scale (1:50) put in scale: .02xp and it should save as 1:50. It is nearly 1:50 but about 7% out? The dimension of say 5.76m is measuring to scale as nearly 5.35 why is this? I've even tried cheating, and got the scale right, then when I saved it as a PDF the scale was wrong again? What's happening?

Regards,

Francis

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Legu5 Members Profile Find Members Posts Newbie Joined: 02.Mar.2020 Location: United Kingdom Using: CAD 2019 Status: Offline Points: 2	Topic: Printing or saving to scale Posted: 02.Mar.2020 at 21:37
	Hi, I have a CAD drawing in model space, full scale. I go to paper space and scale (1:50) put in scale: .02xp and it should save as 1:50. It is nearly 1:50 but about 7% out? The dimension of say 5.76m is measuring to scale as nearly 5.35 why is this? I've even tried cheating, and got the scale right, then when I saved it as a PDF the scale was wrong again? What's happening? Regards, Francis

philippe JOSEPH Members Profile Find Members Posts Senior Member Joined: 14.Mar.2011 Location: France Using: AutoCAD Mechanical 2017 Status: Offline Points: 1472	Posted: 03.Mar.2020 at 08:12
	Hello Legu5, are you printing to a 'little' printer A3 or A4; then it's normal for it to be out by some % because of the margins of the printer. If you print on a 'big' printer with the paper size biger by some cm then you can print surely at full scale. On a littke printer you can appreciate the % of magins when launching the print, see the image here enclosed in : Plot scale , FIT TO PAPER , 1 mm # 0.xxx unit. Calculate the ratio between 1 mm and xxx unit and draw a rectangle to print LOWER by 0.9xxxx that you have calculate then launch a print of that smaller rectangle and read again the : Plot scale , FIT TO PAPER , 1 mm # 1 unit. ( the 1 mm should be equal to 1 unit ) Please note that when you print to PDF you will get some % of margins more not equal to print to paper.

John Connor Members Profile Find Members Posts Senior Member Joined: 01.Feb.2011 Location: United States Using: AutoCAD 2018 Status: Offline Points: 7175	Posted: 03.Mar.2020 at 17:11
	I disagree with the advice above that says to select "Fit to Paper". You choose that "Fit to Paper" when you don't care about scale at all. Edited by John Connor - 03.Mar.2020 at 17:12
	"Humans have a strength that cannot be measured. This is John Connor. If you are reading this, you are the resistance." <<AutoCAD 2015>>

philippe JOSEPH Members Profile Find Members Posts Senior Member Joined: 14.Mar.2011 Location: France Using: AutoCAD Mechanical 2017 Status: Offline Points: 1472	Posted: 03.Mar.2020 at 18:55
	Hello John, in my case drawing the paper sizes with their margins helps me in 'managing' my Model space to zero, usefull when you have 30 pages of procedure and it also helps me in having nothing out of the viewport. I can also have sequences perfectly centered from page to page and when you flip a PDF book your eyes are perfectly focused on the subject. Edited by philippe JOSEPH - 03.Mar.2020 at 18:55

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Printing or saving to scale