Printing CAD drawings — scale 1:1 without clipping
Joe B.
Reviewed for technical accuracy
Specialities: Windows 11/10, macOS (Sonoma/Ventura/Monterey), Printers & Plotters, CAD/AutoCAD, PDF workflows
Print CAD to scale 1:1 without clipping — AutoCAD, BricsCAD, Revit, DWG to PDF
Technician
Technician
• Paper size mismatch between Layout Page Setup and the PDF/printer queue.
• Plot area set to Extents without Center the plot or with an offset.
• Viewport scale not locked (paperspace) or using Model space with zoom/scale drift.
• PDF viewer (Acrobat/Edge) applying Scale: Fit / Shrink oversized pages instead of Actual size (100%).
• Plotter has smaller printable area; title block touches the hard margin. We’ll fix each item in order.
Technician
1) In Layout, run PAGESETUP → set your plotter or DWG To PDF.pc3. Choose Paper size = A3 (420×297).
2) Plot area: choose Layout (preferred) or Window that tightly frames the printable sheet. If you use Extents, tick Center the plot and set Plot offset to 0,0.
3) Scale: 1 = 1 (or 1:1), and confirm Fit to paper = Off.
4) In paperspace, lock the viewport scale (e.g., 1:50, 1/8”=1’-0”) so zoom doesn’t alter plotting.
5) Check the plot style table (CTB) if lineweights push content into margins; consider shrinking the printable frame by 2–3 mm.
6) Click Preview. If the border touches the dashed margin, reduce the title block by 2–5 mm or select a custom paper size with smaller margins.
Technician
• In Adobe Acrobat/Reader: File → Print → Size = Actual size (not Fit/Shink) → Choose paper source by PDF page size = On → Orientation = Auto.
• In Microsoft Edge/Chrome print dialog: set Scale = 100 and disable Fit to page.
• If the printer enforces margins that are tighter than A3’s printable area, create a borderless/custom paper size in the printer properties (when supported) or shrink the printable frame in AutoCAD by 3–5 mm to avoid the non-printable margin.
Technician
• In the HP driver, set Scaling = 100% and Zoom Smart = Off; choose the exact roll width (e.g., 914 mm) and page length to match A1/A0.
• In AutoCAD PAGESETUP, use the same device + paper; enable Plot upside-down only if the plotter requires it.
• Check printable area preview; if the right edge shows a hairline clip, enable Clip contents by margins in HP driver or add a 5 mm margin inside the title block.
Technician
Revit: in Print Setup choose Zoom = 100% (Print to Scale) and ensure Selected views/sheets match the sheet size. Turn off Fit to page. If the title block is clipped, reduce the printable region by 0.125″ or use a borderless driver when available.
Technician
• Reduce border polyline width by 0.10–0.20 mm.
• Offset the title block inward 2–3 mm all around.
• Or use a custom paper size with slightly larger printable area on the PDF/plotter device. Always recheck Preview before plotting batches.
Technician
Technician
Technician
Quick answer: the accepted fix
Accepted fix when CAD prints are clipped or not 1:1: align the paper size in Page Setup and printer, set Scale to 1:1 (100%), Center the plot, lock the viewport scale, and print the PDF at Actual size. Add a few millimeters of inner margin or use a custom/borderless paper to avoid the non-printable area.
Title block clipped or border cut off on A3/A1 — margin & paper mismatch
When the title block prints misaligned or cropped, the printable area is smaller than the frame. Create a custom paper size in the PDF/plotter driver, center the plot, and shrink the border by 2–5 mm. Ensure the DWG to PDF file and printer both use the same orientation and roll width.
How to verify 1:1 scale on paper
Include a 100 mm / 4″ verification line on each sheet. Print the PDF with Actual size. Measure the line — if it’s off, recheck PDF scaling, printer driver scaling, paper size, and plot offset. For batch jobs, save and reuse Page Setup and Acrobat presets.
CAD 1:1 printing — troubleshooting tips
Most issues come from paper mismatch, hidden scaling, or margins.
Quick path: verify paper size → set Scale 100% and Fit = Off → Center the plot with offset 0,0 → lock viewport scale → allow for non-printable margins or make a custom paper → print PDF at Actual size. These steps fix DWG to PDF not to scale, CAD print crops edges, and title block outside page.
Disclaimer: This information is AI-generated and intended for general guidance only. For project-specific standards and print device capabilities, please consult a verified expert on Whizz-Tech.
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FAQ
Why do my CAD prints cut off the border?
Most printers have a non-printable margin. If your title block touches it, the border gets clipped. Use Center the plot, reduce the frame by 2–5 mm, or create a custom/borderless paper size in the driver.
How do I print AutoCAD drawings at 1:1 scale?
In PAGESETUP: pick the device, match the paper size, set Scale = 1:1, ensure Fit to paper = Off, use Layout (or Window + Center), lock the viewport scale, then print the PDF at Actual size.
PDF prints smaller than expected — what now?
In Acrobat/Reader choose Actual size and enable Choose paper source by PDF page size. In the printer driver set Scaling = 100%. Avoid any “Fit/Shrink/Zoom” options.
DWG to PDF is correct, but the printer still clips. Why?
The printer’s printable area is smaller than the PDF page box. Use a driver with borderless support or re-plot with a slightly smaller sheet frame so nothing lands in the hard margin.
Tips for HP DesignJet and other plotters?
Match the roll width in both Page Setup and the HP driver, set Scaling = 100%, and turn off “Zoom Smart / Fit to Page.” If needed, enable “Clip contents by margins” or add a 5 mm inner margin.
| Symptom | Likely cause | Quick fix |
|---|---|---|
| Border/title block clipped | Non-printable margin; paper mismatch | Center plot; shrink frame 2–5 mm; custom/borderless paper |
| Print not 1:1 (too small/large) | Fit/Shrink enabled; driver scaling | Scale = 100%; Actual size in PDF; disable Fit |
| Viewport scale changes | Viewport not locked; zoomed accidentally | Lock viewport scale; use named Page Setup |
| Correct PDF, printer still off | Printer paper size/roll mismatch | Match sizes; choose paper by PDF size; driver scaling 100% |
Step-by-step (Windows 10/11)
- In AutoCAD/BricsCAD open PAGESETUP → select device (PDF or printer) and exact paper size.
- Set Plot area to Layout (or Window) → Center the plot, offset 0,0.
- Scale = 1:1 (100%); ensure Fit to paper is Off; lock viewport scale.
- Print the PDF from Acrobat with Actual size and Choose paper source by PDF page size.
Step-by-step (macOS)
- Export to PDF from your CAD app with Scale 100% and the correct page size.
- In Preview or Acrobat set Scale = 100% and disable any Scale to fit options.
- In the printer dialog choose the matching paper size; if clipping persists, pick a borderless size or reduce the frame slightly.
Sources
- Autodesk — Plot and Page Setup (AutoCAD)
- Bricsys — Printing and Page Setup
- Adobe — Print PDFs at actual size
- HP DesignJet — Driver scaling and paper setup
Filed under: Support
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