How-to guide · how to create a viewport in paper space autocad

How to create a viewport in paper space in AutoCAD

DWGDXFFree1,106 words

By Sumana Kumar · Published 13 Jun 2023 · Updated 13 Dec 2024

A viewport is the window in a paper-space layout that looks through onto your model-space drawing. Everything you draw at real size lives in model space; the layout (paper space) is where you arrange one or more of those windows on a sheet, add a title block, and send the result to a plotter or PDF. Creating that first viewport is the move that turns a model into a printable drawing.

This guide walks through making a viewport from scratch with the MVIEW command, sizing it on the sheet, and then working inside it without disturbing your layout. The same steps apply whether you are placing a single plan on an A1 sheet or tiling four detail windows across a layout, so once you have cut one viewport you can cut as many as a drawing needs.

Step 1 — Switch from the Model tab to a Layout tab

At the bottom-left of the drawing window you will see a Model tab and one or more Layout tabs. Click a Layout tab to move into paper space. The screen changes to a white sheet with a dashed margin — that dashed line is the printable area for the page size and plotter assigned to this layout.

If your template already dropped a viewport onto the sheet for you, you can delete it (select its edge and press Delete) and start clean, or keep it and skip to sizing. A brand-new layout from a blank template usually arrives with one default viewport that you can resize or replace.

Step 2 — Run the MVIEW command

Type MVIEW (or MV) and press Enter. The command line offers several options — Fit, Shadeplot, Lock, Object, Polygonal, and a number for tiled viewports — but the default is to draw a rectangular viewport by picking two corners. Click once for the first corner, drag, and click again for the opposite corner. AutoCAD cuts a window in the paper and immediately shows your model-space geometry through it.

If you want a viewport that exactly fills the printable area, run MVIEW and choose the Fit option. To make a non-rectangular window — useful for an irregular site boundary — choose Polygonal and trace the shape, or draw a closed polyline first and use the Object option to convert it into a viewport.

Step 3 — Size and position the viewport on the sheet

Treat the viewport border like any other object in paper space. Select it and use grips to drag the corners, or use MOVE to slide it where you want it on the sheet. Leave room for a title block down one edge and a margin around the printable area so the drawing does not crowd the page.

A viewport border is geometry, so it sits on whatever layer is current when you create it. Put viewports on a dedicated non-plotting layer (give it the no-plot property in the Layer Properties Manager) so the rectangular frame never prints, even though it stays visible on screen while you work.

Step 4 — Enter the viewport to pan and frame the view

Double-click anywhere inside the viewport. The border thickens and the crosshair becomes active inside the window — you are now working in model space, viewed through this viewport. Pan and zoom to frame the part of the drawing you want on the sheet. Double-click outside the viewport (on the grey paper area) to drop back into paper space.

Be careful with the scroll wheel while you are inside a viewport: zooming changes the scale of what prints. Frame the view first, set the scale deliberately (covered in the viewport-scale guide), then lock the viewport so an accidental scroll cannot rescale your drawing.

Adding several viewports to one layout

A single layout can hold any number of viewports, each looking at a different part of the model or showing the same area at a different scale. Run MVIEW again to cut a second window — for example a small key plan in the corner alongside the main detail. When you choose a number (2, 3 or 4) at the MVIEW prompt, AutoCAD tiles that many viewports into a region you pick, which is handy for a sheet of details.

Each viewport carries its own scale, its own pan position and its own layer visibility, so you can freeze a layer in one window and leave it visible in another. That independence is what lets a single sheet show a plan, a section and a detail that each read correctly at their own scale.

Common viewport mistakes to avoid

The most common slip is drawing in paper space when you meant to draw in model space, or vice versa. If your dimensions come out at the wrong size, check the bottom status bar — it reads PAPER or MODEL — and double-click in or out to switch. A second pitfall is leaving the viewport on a plotting layer, so the frame prints as an unwanted rectangle; move it to a no-plot layer. A third is creating a viewport on the Model tab by accident: viewports belong in paper space, so always start from a Layout tab.

One more habit worth keeping: when a layout is finished, lock every viewport. An unlocked viewport will silently rescale the instant someone scrolls inside it, and a drawing that plots at the wrong scale is worse than one that does not plot at all.

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Questions

Frequently asked

What is the difference between MVIEW and a viewport object?+

MVIEW is the command that creates the viewport; the viewport is the object it produces. You can also convert a closed polyline into a viewport with the MVIEW Object option, which gives you an irregular, non-rectangular window onto model space.

Why can't I create a viewport on the Model tab?+

Viewports created with MVIEW only exist in paper space, so the command does nothing useful on the Model tab. Click a Layout tab first. The Model tab has its own tiled viewports controlled by VPORTS, which are a separate, screen-only concept.

How do I stop the viewport border from printing?+

Put the viewport on its own layer and give that layer the no-plot property in the Layer Properties Manager (click the printer icon to cross it out). The border stays visible on screen for editing but is omitted from the plot and PDF.

Can one layout show two different scales at once?+

Yes. Create two viewports on the same layout and set each to a different scale. A common use is a main plan at one scale with a smaller key plan or enlarged detail beside it, each framed and scaled independently.

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