1 Paper Space & Layout Fundamentals
AutoCAD has two distinct working environments: Model Space and Paper Space. Understanding the difference is the foundation of all professional drawing production.
Model Space
Where you draw everything at real-world 1:1 size. A 30-foot wall is drawn 360 drawing units long (if 1 unit = 1 inch). Model Space has no paper size — it is effectively infinite. You never scale your geometry here.
Paper Space (Layout Tabs)
Your virtual sheet of paper. This is where you place title blocks, borders, notes, and viewports — rectangular windows that show your Model Space geometry at a specific drawing scale. You always plot from Paper Space at 1:1.
The Golden Rule
Draw at 1:1 in Model Space → Scale via viewport in Paper Space → Plot Paper Space at 1:1
Accessing Layouts
Layout tabs appear at the bottom of the AutoCAD window (beside the Model tab). Right-click any Layout tab to: rename it, copy it, move it, or open Page Setup Manager for that specific sheet.
Beginner tip: Every drawing can have multiple Layout tabs — one per sheet. A set of 10 drawings = 10 Layout tabs, all reading from the same Model Space. Change the model geometry once and every sheet updates automatically.
2 Page Setup Manager — Step by Step
The Page Setup Manager is the control panel for every Layout tab. It tells AutoCAD what size paper you're working on, what plotter to use, what scale to plot at, and how to handle line weights and colors.
How to Open It
- AClick the Layout tab you want to configure (e.g., "Layout1")
- BRight-click the same Layout tab → select Page Setup Manager
- CAlternatively: Go to the Output ribbon tab → Plot panel → Page Setup Manager
- DOr at the command line: type
PAGESETUP→ Enter
Creating or Modifying a Page Setup
- 1In the Page Setup Manager dialog, click New (for a fresh setup) or select an existing setup and click Modify
- 2Give the setup a descriptive name — e.g., "ARCH-D-PDF" or "ANSI-D-Monochrome"
- 3Configure all settings in the Page Setup dialog (see breakdown below)
- 4Click OK to save, then Set Current to apply to the active Layout tab
- 5Click Close — your layout is now configured
Pro workflow: Create one named Page Setup per sheet size (e.g., "ARCH-D-PDF"). You can then apply the same setup to multiple Layout tabs instantly using the "Set Current" button, or import it from one drawing into another via the "Import" button in Page Setup Manager.
Page Setup Dialog — Every Setting Explained
Page Setup — <Layout Name>
Printer / PlotterDWG To PDF.pc3
Paper SizeARCH D (24.00 x 36.00 Inches)
Plot Area — What to PlotLayout
Plot Scale1:1 (1 inch = 1 unit)
Plot OffsetX: 0.00 Y: 0.00 [ ] Center on paper
Plot Style Tablemonochrome.ctb (for B&W PDF)
Shaded Viewport OptionsAs Displayed
Plot Options — Plot object lineweights✔ Checked
Plot Options — Plot with plot styles✔ Checked
Plot Options — Plot paperspace last✔ Checked
Drawing OrientationLandscape (for D, E sizes) / Portrait (for A, B)
Critical Settings — Explained
| Setting | Correct Value | Why It Matters |
|---|---|---|
| What to Plot | Layout | Plots exactly the Paper Space sheet — the most reliable option. Never use "Extents" or "Window" when plotting from a Layout tab. |
| Plot Scale | 1:1 always | Paper Space viewports already handle the drawing scale. Setting plot scale to anything other than 1:1 will distort everything. |
| Plot Offset | 0,0 or Center on Paper | Controls where the drawing sits on the paper. Use 0,0 if your title block fills the full sheet. Use "Center on Paper" if you have a smaller border. |
| Plot Style Table | monochrome.ctb for PDF | Forces all geometry to print black, regardless of layer color. Use acad.ctb or None to preserve layer colors in the PDF. |
| Drawing Orientation | Match your title block | Landscape for wide sheets (D, E). Portrait for tall/square sheets (A, A4). Must match or your border will be rotated. |
3 PDF Plotter Setup — DWG to PDF
AutoCAD includes a built-in virtual PDF plotter called DWG To PDF.pc3. This is the standard tool for producing plot-ready PDF files directly from AutoCAD without any third-party software.
Selecting the PDF Plotter in Page Setup
- 1In the Page Setup dialog, click the Printer/Plotter dropdown
- 2Select DWG To PDF.pc3 from the list
- 3The Paper Size dropdown will update to show sizes supported by this plotter
- 4Select your target paper size from the dropdown (see tables in Chapter 4)
Don't see your paper size? Click the Properties button next to the plotter name → Device and Document Settings tab → Custom Paper Sizes → Add → enter your exact width and height. Give it a name (e.g., "ARCH-E1-30x42") and save. It will now appear in the Paper Size dropdown.
PDF Quality Settings
- 1In Page Setup, click Properties next to DWG To PDF.pc3
- 2Go to Device and Document Settings → Graphics
- 3Set Raster graphics resolution to 600 DPI for construction documents, 300 DPI for quick review PDFs
- 4Under Vector graphics, ensure "Merge control" is set to Lines Overwrite
- 5Click Save as to save changes back to the .pc3 file
Other PDF Options
| PDF Plotter Option | Best For | Notes |
|---|---|---|
| DWG To PDF.pc3 | All standard production work | Built into AutoCAD. Supports custom paper sizes. Most reliable for exact sheet extents. |
| Microsoft Print to PDF | Quick review copies | Available on Windows 10/11. Paper sizes limited to standard Windows sizes. Not recommended for final deliverables. |
| Bluebeam PDF | Bluebeam Revu users | Installs as a system printer. Excellent quality. Use if your firm uses Bluebeam for markups. |
| Adobe PDF | Color renderings, presentations | Requires full Adobe Acrobat. Better color management than DWG To PDF for color sheets. |
Sheet Extents explained: When you select a paper size in Page Setup and set "What to Plot" to "Layout," AutoCAD plots exactly the area defined by the paper border. The printable area is the paper size minus the plotter margins (typically 0.125" to 0.25" on each edge for DWG To PDF). Your title block border should be set slightly inside these margins.
4 Sheet Size Reference — All Standard Formats
Use these tables to configure your Layout tabs. The Paper Space LIMITS column shows the coordinates to set using the LIMITS command in Paper Space (not Model Space). The Border Inset column is the recommended title block border offset from the paper edge.
ANSI Standard Sheets (Engineering / Mechanical)
| ANSI Size | Width × Height | Orientation | AutoCAD Paper Size Name (DWG To PDF) | Printable Area | Border Inset | Primary Use |
|---|---|---|---|---|---|---|
| ANSI A | 8.5" × 11" | Portrait / Landscape | ANSI A (8.50 × 11.00 Inches) | 8.25" × 10.75" | 0.25" all sides | Details, submittals, letter size |
| ANSI B | 11" × 17" | Landscape | ANSI B (11.00 × 17.00 Inches) | 10.75" × 16.75" | 0.25" all sides | Small details, tabloid plots |
| ANSI C | 17" × 22" | Landscape | ANSI C (17.00 × 22.00 Inches) | 16.75" × 21.75" | 0.25" all sides | Mechanical drawings, diagrams |
| ANSI D | 22" × 34" | Landscape | ANSI D (22.00 × 34.00 Inches) | 21.75" × 33.75" | 0.25" all sides | Standard engineering / P&ID |
| ANSI E | 34" × 44" | Landscape | ANSI E (34.00 × 44.00 Inches) | 33.75" × 43.75" | 0.25" all sides | Large engineering drawings |
| ANSI F | 28" × 40" | Landscape | Custom — add via plotter properties | 27.75" × 39.75" | 0.25" all sides | Specialized engineering |
Architectural Sheet Sizes (AIA Standard)
| Arch Size | Width × Height | Orientation | AutoCAD Paper Size Name (DWG To PDF) | Printable Area | Border Inset | Primary Use |
|---|---|---|---|---|---|---|
| Arch A | 9" × 12" | Portrait | ARCH A (9.00 × 12.00 Inches) | 8.75" × 11.75" | 0.25" all sides | Sketches, concept layouts |
| Arch B | 12" × 18" | Landscape | ARCH B (12.00 × 18.00 Inches) | 11.75" × 17.75" | 0.25" all sides | Small residential details |
| Arch C | 18" × 24" | Landscape | ARCH C (18.00 × 24.00 Inches) | 17.75" × 23.75" | 0.25" all sides | Details, residential sections |
| Arch D | 24" × 36" | Landscape | ARCH D (24.00 × 36.00 Inches) | 23.75" × 35.75" | 0.5" L/R/T, 1.5" bottom | Standard residential — most common |
| Arch E | 36" × 48" | Landscape | ARCH E (36.00 × 48.00 Inches) | 35.75" × 47.75" | 0.5" L/R/T, 1.5" bottom | Large commercial, multi-story |
| Arch E1 | 30" × 42" | Landscape | ARCH E1 (30.00 × 42.00 Inches) | 29.75" × 41.75" | 0.5" L/R/T, 1.5" bottom | Mid-size commercial |
| Arch E2 | 26" × 38" | Landscape | Custom — add via plotter properties | 25.75" × 37.75" | 0.25" all sides | Site plans, alternates |
ISO Metric Sheet Sizes (International Standard)
| ISO Size | Width × Height (mm) | Width × Height (in) | AutoCAD Paper Size Name (DWG To PDF) | Printable Area | Primary Use |
|---|---|---|---|---|---|
| ISO A4 | 210 × 297 mm | 8.27" × 11.69" | ISO A4 (210.00 × 297.00 MM) | 200 × 287 mm | Correspondence, small details |
| ISO A3 | 297 × 420 mm | 11.69" × 16.54" | ISO A3 (297.00 × 420.00 MM) | 287 × 410 mm | Details, diagrams |
| ISO A2 | 420 × 594 mm | 16.54" × 23.39" | ISO A2 (420.00 × 594.00 MM) | 410 × 584 mm | General engineering — metric |
| ISO A1 | 594 × 841 mm | 23.39" × 33.11" | ISO A1 (594.00 × 841.00 MM) | 584 × 831 mm | Construction drawings |
| ISO A0 | 841 × 1189 mm | 33.11" × 46.81" | ISO A0 (841.00 × 1189.00 MM) | 831 × 1179 mm | Large-format construction |
| ISO 2A0 | 1189 × 1682 mm | 46.81" × 66.22" | Custom — add via plotter properties | 1179 × 1672 mm | Very large projects, oversize |
5 Layout Setup by Discipline — All Scale Settings
This is the master reference for configuring your Layout tab settings for each discipline and sheet size combination. The Model Space Extents column shows the area of Model Space your viewport needs to show, calculated from the sheet's viewport area × scale factor. Use the LIMITS command or just zoom to fit.
Architectural — 1 Drawing Unit = 1 Inch
| Sheet Size | Drawing Scale | Scale Factor | VP XP Zoom | Usable VP Area (approx) | Model Space Extents Shown | Best Used For |
|---|---|---|---|---|---|---|
| Arch D — 24" × 36" | ||||||
| Arch D | 1/4" = 1'-0" | 48 | 1/48xp | 22" × 33" | 88' × 132' (1056" × 1584") | Floor plan — small/mid residence |
| Arch D | 3/16" = 1'-0" | 64 | 1/64xp | 22" × 33" | 117' × 176' (1408" × 2112") | Floor plan — large residence |
| Arch D | 1/8" = 1'-0" | 96 | 1/96xp | 22" × 33" | 176' × 264' (2112" × 3168") | Floor plan — commercial/multi-family |
| Arch D | 1/2" = 1'-0" | 24 | 1/24xp | 18" × 28" | 37.5' × 58' (450" × 700") | Building elevation |
| Arch D | 3/4" = 1'-0" | 16 | 1/16xp | 14" × 20" | 17.5' × 25' (210" × 300") | Wall section / stair section |
| Arch D | 1-1/2" = 1'-0" | 8 | 1/8xp | 12" × 18" | 8' × 12' (96" × 144") | Details — millwork, casework |
| Arch D | 3" = 1'-0" | 4 | 1/4xp | 10" × 14" | 3.3' × 4.7' (40" × 56") | Large-scale construction detail |
| Arch E — 36" × 48" | ||||||
| Arch E | 1/8" = 1'-0" | 96 | 1/96xp | 34" × 44" | 272' × 352' (3264" × 4224") | Large commercial floor plan |
| Arch E | 1/4" = 1'-0" | 48 | 1/48xp | 34" × 44" | 136' × 176' (1632" × 2112") | Full-size building floor plan |
| Arch E | 3/16" = 1'-0" | 64 | 1/64xp | 34" × 44" | 181' × 234' (2176" × 2816") | Large multi-wing plan |
| Arch E | 1/2" = 1'-0" | 24 | 1/24xp | 32" × 44" | 64' × 88' (768" × 1056") | Full building elevation |
| Arch C — 18" × 24" | ||||||
| Arch C | 1/4" = 1'-0" | 48 | 1/48xp | 16" × 21" | 64' × 84' (768" × 1008") | Small residence plan |
| Arch C | 1" = 1'-0" | 12 | 1/12xp | 14" × 20" | 14' × 20' (168" × 240") | Room detail / bathroom plan |
Civil / Engineering — 1 Drawing Unit = 1 Foot
| Sheet Size | Drawing Scale | Scale Factor | VP XP Zoom | Usable VP Area (approx) | Model Space Extents Shown | Best Used For |
|---|---|---|---|---|---|---|
| Arch D — 24" × 36" (most common civil sheet) | ||||||
| Arch D | 1" = 10' | 10 | 1/10xp | 22" × 33" | 220' × 330' | Large detail / utility layout |
| Arch D | 1" = 20' | 20 | 1/20xp | 22" × 33" | 440' × 660' | Site plan — small parcel |
| Arch D | 1" = 40' | 40 | 1/40xp | 22" × 33" | 880' × 1320' | Site plan — medium parcel |
| Arch D | 1" = 50' | 50 | 1/50xp | 22" × 33" | 1100' × 1650' | Subdivision layout |
| Arch D | 1" = 60' | 60 | 1/60xp | 22" × 33" | 1320' × 1980' | Roadway plan |
| Arch D | 1" = 100' | 100 | 1/100xp | 22" × 33" | 2200' × 3300' | Regional site overview |
| Arch D | 1" = 200' | 200 | 1/200xp | 22" × 33" | 4400' × 6600' | Large area overview |
| Arch E — 36" × 48" | ||||||
| Arch E | 1" = 20' | 20 | 1/20xp | 34" × 44" | 680' × 880' | Site plan — medium |
| Arch E | 1" = 50' | 50 | 1/50xp | 34" × 44" | 1700' × 2200' | Large subdivision |
| Arch E | 1" = 100' | 100 | 1/100xp | 34" × 44" | 3400' × 4400' | Regional / master plan |
| ANSI D — 22" × 34" | ||||||
| ANSI D | 1" = 20' | 20 | 1/20xp | 20" × 31" | 400' × 620' | Site plan |
| ANSI D | 1" = 50' | 50 | 1/50xp | 20" × 31" | 1000' × 1550' | Subdivision |
Decimal / Mechanical — 1 Drawing Unit = 1 Inch
| Sheet Size | Drawing Scale | Scale Factor | VP XP Zoom | Usable VP Area (approx) | Model Space Extents Shown | Best Used For |
|---|---|---|---|---|---|---|
| ANSI B — 11" × 17" | ||||||
| ANSI B | 1:1 (Full size) | 1 | 1xp | 9.5" × 15" | 9.5" × 15" | Small parts, hardware details |
| ANSI B | 1:2 (Half size) | 2 | 1/2xp | 9.5" × 15" | 19" × 30" | Medium parts |
| ANSI B | 2:1 (Double size) | 0.5 | 2xp | 9.5" × 15" | 4.75" × 7.5" | Very small parts, magnified |
| ANSI C — 17" × 22" | ||||||
| ANSI C | 1:1 (Full size) | 1 | 1xp | 15" × 20" | 15" × 20" | Assembly / sub-assembly |
| ANSI C | 1:2 (Half size) | 2 | 1/2xp | 15" × 20" | 30" × 40" | Large parts |
| ANSI C | 1:4 | 4 | 1/4xp | 15" × 20" | 60" × 80" | Large assemblies |
| ANSI D — 22" × 34" | ||||||
| ANSI D | 1:1 (Full size) | 1 | 1xp | 20" × 32" | 20" × 32" | Large assembly |
| ANSI D | 1:2 | 2 | 1/2xp | 20" × 32" | 40" × 64" | Industrial equipment plan |
| ANSI D | 1:4 | 4 | 1/4xp | 20" × 32" | 80" × 128" | Equipment layout plan |
| ANSI D | 1" = 1'-0" | 12 | 1/12xp | 20" × 32" | 20' × 32' (240" × 384") | Equipment room layout |
Metric — 1 Drawing Unit = 1 Millimeter
| Sheet Size | Drawing Scale | Scale Factor | VP XP Zoom | Usable VP Area (approx) | Model Space Extents Shown | Best Used For |
|---|---|---|---|---|---|---|
| ISO A1 — 594 × 841 mm | ||||||
| ISO A1 | 1:20 | 20 | 1/20xp | 560 × 800 mm | 11.2m × 16m | Detailed floor plan |
| ISO A1 | 1:50 | 50 | 1/50xp | 560 × 800 mm | 28m × 40m | Floor plan — standard |
| ISO A1 | 1:100 | 100 | 1/100xp | 560 × 800 mm | 56m × 80m | Building floor plan |
| ISO A1 | 1:200 | 200 | 1/200xp | 560 × 800 mm | 112m × 160m | Site plan / small development |
| ISO A1 | 1:500 | 500 | 1/500xp | 560 × 800 mm | 280m × 400m | Large site plan |
| ISO A0 — 841 × 1189 mm | ||||||
| ISO A0 | 1:100 | 100 | 1/100xp | 810 × 1150 mm | 81m × 115m | Large building floor plan |
| ISO A0 | 1:200 | 200 | 1/200xp | 810 × 1150 mm | 162m × 230m | Campus / site plan |
| ISO A0 | 1:500 | 500 | 1/500xp | 810 × 1150 mm | 405m × 575m | Large development |
| ISO A2 — 420 × 594 mm | ||||||
| ISO A2 | 1:1 | 1 | 1xp | 390 × 564 mm | 390mm × 564mm | Full-size mechanical part |
| ISO A2 | 1:5 | 5 | 1/5xp | 390 × 564 mm | 1950mm × 2820mm | Small assembly |
| ISO A2 | 1:10 | 10 | 1/10xp | 390 × 564 mm | 3900mm × 5640mm | Mechanical layout |
6 Setting Up a Layout Tab — Complete Workflow
Follow these steps to configure a complete, plot-ready Layout tab from scratch. This workflow applies to all disciplines and sheet sizes.
Step 1 — Configure Page Setup
- 1Right-click the Layout tab → Page Setup Manager → Modify
- 2Set plotter to DWG To PDF.pc3
- 3Select your paper size (e.g., ARCH D 24×36)
- 4Set "What to Plot" to Layout
- 5Set Plot Scale to 1:1
- 6Set Plot Style Table to monochrome.ctb
- 7Check Drawing Orientation matches your title block (Landscape or Portrait)
- 8Click OK → Set Current → Close
Step 2 — Set Paper Space LIMITS
Setting LIMITS in Paper Space defines the working area of your sheet. This keeps you oriented while working on the layout. Make sure you are in Paper Space (not inside a viewport) when running this command.
Command: LIMITS
Lower left corner: 0,0
Upper right corner: 36,24 ← for Arch D landscape (width first, then height)
Then: Command: ZOOM → Enter → A → Enter (Zoom All — fits paper in view)
| Sheet Size | Orientation | LIMITS Upper Right | Notes |
|---|---|---|---|
| ANSI A 8.5×11 | Portrait | 8.5, 11 | Standard letter |
| ANSI B 11×17 | Landscape | 17, 11 | Tabloid |
| ANSI C 17×22 | Landscape | 22, 17 | |
| ANSI D 22×34 | Landscape | 34, 22 | Common engineering |
| ANSI E 34×44 | Landscape | 44, 34 | |
| Arch C 18×24 | Landscape | 24, 18 | |
| Arch D 24×36 | Landscape | 36, 24 | Most common arch sheet |
| Arch E 36×48 | Landscape | 48, 36 | Large commercial |
| Arch E1 30×42 | Landscape | 42, 30 | |
| ISO A4 210×297mm | Portrait | 210, 297 | Units must be mm |
| ISO A3 297×420mm | Landscape | 420, 297 | Units must be mm |
| ISO A2 420×594mm | Landscape | 594, 420 | Units must be mm |
| ISO A1 594×841mm | Landscape | 841, 594 | Units must be mm |
| ISO A0 841×1189mm | Landscape | 1189, 841 | Units must be mm |
Step 3 — Insert Title Block Border
Insert your title block as a block (INSERT command) at 0,0 in Paper Space at scale 1. The title block DWG should be drawn at full paper size in its own file (e.g., a 36×24 unit border for Arch D). Common title block content:
- ✓Outer border at paper edge (or at printable area boundary)
- ✓Inner border / margin line (typically 0.5" from outer border, 1.5" on binding edge)
- ✓Title block panel (bottom right or right side) with project info, sheet number, revision history
- ✓North arrow placeholder (for site plans)
- ✓Scale bar placeholder
Step 4 — Create and Configure Viewports
- 1Make sure you're in Paper Space (not inside a viewport). Type
PSPACEor click outside any viewport. - 2Create a new layer called VP or VIEWPORT. Set it to non-plotting (the printer icon in Layer Manager). This hides viewport borders in plots.
- 3Set this layer current, then type
MVIEWand draw the viewport rectangle inside your title block border. - 4Double-click inside the viewport to activate it (you're now in Model Space through the viewport).
- 5Type
Z→ Enter → type your XP zoom value (e.g.,1/48xp) → Enter. - 6Pan to center your geometry in the viewport using the PAN command (hold middle mouse button).
- 7Double-click outside the viewport to return to Paper Space.
- 8Click the viewport border, open Properties (Ctrl+1), set Display Locked = Yes. Or type
VPLOCK→ Enter →ON→ Enter.
Multiple viewports on one sheet: You can have as many viewports as needed on a single Layout tab. Each can show a different area of Model Space at a different scale. Common uses: a main floor plan viewport at 1/4"=1'-0" with one or two detail viewports at 3/4"=1'-0" on the same sheet. Each viewport gets its own XP zoom setting independently.
Step 5 — Plot / Publish to PDF
- 1Type
PLOTor press Ctrl+P - 2The Page Setup you configured should already be loaded. Confirm all settings.
- 3Click Preview — verify the sheet looks exactly right before committing.
- 4Press Escape to return, then click OK.
- 5When prompted for a file name, choose your output location and name the PDF.
Batch plotting multiple sheets: Use the PUBLISH command (type PUBLISH at the command line) to plot all Layout tabs in a drawing — or multiple drawings — to a single multi-page PDF in one operation. This is the professional workflow for producing complete drawing sets.
7 Plot Style Tables — CTB vs STB & Common Settings
Plot Style Tables control how layers and objects appear when plotted — specifically line weight, color, and screening. There are two types used in AutoCAD.
CTB — Color-Based Plot Styles
Each AutoCAD color number (1–255) maps to a specific plotted line weight and output color. The most common system — especially in architectural and engineering firms using layer color standards.
monochrome.ctb → All colors plot black
acad.ctb → Colors plot as-is
screening.ctb → Reduced opacity
STB — Named Plot Styles
Each object or layer gets a named plot style assigned (e.g., "Heavy," "Medium," "Light"). More flexible than CTB but requires a style to be assigned to every object. Less common in practice but preferred in some larger firms.
To switch a drawing from CTB to STB (or vice versa):
Command: CONVERTPSTYLES
(Cannot be undone — do this on a new drawing)
Standard Line Weights for Construction Documents
| Weight Category | Metric (mm) | Imperial (approx) | CTB Color Assignment | Typical Use |
|---|---|---|---|---|
| Extra Heavy | 0.70 mm | 0.028" | Color 1 (Red) | Building outline, property lines |
| Heavy | 0.50 mm | 0.020" | Color 5 (Blue) | Cut lines, walls, major elements |
| Medium | 0.35 mm | 0.014" | Color 3 (Green) | Secondary elements, doors, windows |
| Light | 0.25 mm | 0.010" | Color 2 (Yellow) | Annotation, dimensions, leaders |
| Extra Light | 0.18 mm | 0.007" | Color 8/9 (Grey) | Hatching, existing conditions |
| Hairline | 0.10 mm | 0.004" | Color 7 (White/Black) | Grid lines, reference lines |
8 Common Problems & Fixes
| Problem | Cause | Fix |
|---|---|---|
| PDF plots at wrong scale | Plot Scale is not 1:1 | Page Setup → set Plot Scale to 1:1. Scale is controlled by the viewport, not the plot. |
| Sheet is blank or shows wrong area | Viewport not activated, or wrong layer frozen | Double-click inside viewport, confirm content is visible. Check for frozen or off layers. |
| Viewport border prints on PDF | Viewport layer set to plotting | In Layer Manager, click the plotter icon on the VP layer to set it to non-printing. |
| Text and dims are too small/large | DIMSCALE or text height not set to Scale Factor | Set DIMSCALE = SF. Model text height = desired plot height × SF. Or switch to annotative objects. |
| Dashed/hidden lines appear solid | LTSCALE not matching Scale Factor | Set LTSCALE = Scale Factor. Confirm PSLTSCALE = 1. |
| PDF paper size is wrong | Custom size not added to plotter | Plotter Properties → Custom Paper Sizes → Add → enter exact W × H. |
| Plot preview cuts off corners | Printable area margin issue | Move your border 0.125"–0.25" inside the paper edge, or set Plot Offset to center on paper. |
| Colors plotting gray instead of black | Wrong CTB file selected | Page Setup → Plot Style Table → select monochrome.ctb |
| Sheet rotated 90 degrees in PDF | Drawing orientation mismatch | Page Setup → Drawing Orientation → set to Landscape or Portrait to match your title block |
| Multiple sheets in one PDF | Need PUBLISH, not PLOT | Type PUBLISH → select sheets → set to "Multi-sheet file" → Publish to PDF |
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