How to Draw a Floor Plan to Scale in SketchUp from a PDF

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In my everyday experience, I usually start drafting a floor plan in SketchUp one of two ways. Either I start from scratch using measurements I’ve taken at the home, usually in combination with a basic floor plan that I drew from the assessor’s site, or I work from a PDF floor plan provided by an architect or builder. I’ve already covered how to start your floor plan from field measurements, so today I will be discussing how I draw a floor plan from a PDF plan.

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Watch the video or keep scrolling for step by step instructions.

[embedyt]https://www.youtube.com/watch?v=ijc0hiTSX3g[/embedyt]

Before you get started, you will need to have your PDF someplace that you can easily access it.

Open SketchUp and begin with a blank file. I will be using the Architectural template in Feet and Inches. The first step is to import the PDF into the SketchUp file. Click on File in the top menu and then select Import from the drop-down menu.

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Navigate to where you saved your PDF file and open it. Click on the origin in the SketchUp file and then drag out along the XY plane. When it’s large enough to read, click on the XY plane.

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We are going to switch the view so that we’re looking straight down onto the plan like we’re working in a 2D space rather than in a 3D space. Click on Camera in the top menu bar, then under Standard Views, click on Top.

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Once we’re in top view, we’re going to turn on Parallel Projection, which creates a flat view like a 2D drawing space. Click on Cameras in the top menu, then Parallel Projection. I like to turn on Parallel Projection as I start to draw my floor plan because it keeps me working in the XY plane. I have found that when I try to draw in 2D on a specific plane, it can be easy to slightly draw askew. Turning on Parallel Projection will ensure you are drawing a true orthographic plan.

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Now that the floor plan is in place and we’re working in Parallel Projection, we need to scale our PDF as closely as possible to the actual drawing scale so that we can trace on top of it accurately. Make sure you do not have the PDF selected (if it is selected, it will have a blue outline) by clicking in the workspace off to the side.

Next, click on the tape measure in the toolbar. Choose a measurement in your drawing which you can easily identify. I am going to use the length of the wall on the left side of the plan. With the tape measure tool active, click on the first corner of the length you chose. Then drag your cursor towards the second corner and click again.

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Zoom into the second corner before you click if you need to. You want to be as accurate as possible. Without clicking again, type in the measurement of the wall in feet and inches. You can see what you’re typing displayed in the bottom right corner.

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SketchUp will ask if you want to resize the model. Confirm that you do by hitting the enter key. Now the PDF is rescaled and we can begin drawing the plan.

I like to use guidelines to draw my plan. I find it’s easier to use guidelines to establish the locations of the walls and then draw on top of the guidelines, snapping lines or rectangles to their intersections. To begin drawing my floor plan, I click on the green axis with the Tape Measure tool and begin dragging to the right. You will see that a guideline is traveling with the cursor. Zoom in if you have to and click as cclose as possible to the exterior edge of the closest wall.

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Repeat the same process with the red axis. You should now have two guidelines that intersect at the bottom right corner of your plan.

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This is a simple floor plan, so I am going to use the Rectangle tool to draw the exterior of the plan. If your plan isn’t a perfect rectangle, you can use the line tool to trace around the outside edges. In this case, I select the rectangle tool, click once on the intersection of the two guidelines (you should see a red x when you hover over the intersection) and drag up and to the right.

To create a rectangle to exact dimensions, lift your hand off the mouse and type in the horizontal dimension in feet and inches followed by a comma and then the vertical dimension in feet and inches. Then hit enter to complete the rectangle command.

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If you have a rectangle like this, an easy way to establish the thickness of the exterior walls is with the Offset tool. Click on the Offset tool in the top toolbar Then click on the blue-gray face created by your rectangle.

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Drag your mouse inward. Before you click again, type in the thickness of the walls in inches and then hit enter. My exterior walls are 6″ thick.

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Now you should have two concentric rectangles. We’re going to delete the inner rectangle. Activate the Selection tool (arrow) by clicking on it in the tool bar or by hitting your space bar. Then click on the inner rectangle and then hit your delete key.

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You should now have two concentric rectangles and the interior face that they form. Together they represent our exterior walls. The next step is to create a group of the exterior walls. I like to group the exterior walls and interior walls separately so that they don’t affect each other. It is easier to adjust interior walls if they do not stick to the exterior walls.

To create a group, triple click on the face. You will see that the face is selected as well as all of the lines that touch it. Right click on the face and select Make Group from the pop-up menu.

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Now that we’ve established our exterior walls and created a group for them, we can start to add our interior walls. Use the measurements on your plan to add guidelines that you can use to draw the interior walls accurately. Using the tape measure tool, click on the edge of the exterior walls and drag your mouse in the appropriate direction. Type in the distance between the two walls and then hit enter.

If you have walls on your plan that aren’t dimensioned, you can zoom in and drag your guideline until it as as close as possible to the line in the PDF for that wall and then click to set the guideline. I like to watch the dimension in the bottom right corner as a I drag and click as close to a round number as I can. In other words, don’t click on a dimension followed by 25/32″ or 13″/16″, etc. It’s unlikely the architect used such a dimension, and you want to keep your plan as simple as possible.

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Draw the interior walls by connecting the dots between the guidelines, tracing over the plan. You can use the Line tool or the Rectangle tool. If you use the Rectangle tool, you can be certain that your lines aren’t crooked as long as you click on the guideline intersections.

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Start with one wall…maybe the longest straight wall, which will be the easiest, and then move on to the walls around it. Add more guidelines as needed.

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If you no longer need your guidelines, you remove them by going to Edit in the top menu bar and then Delete Guides.

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Here is my plan with all of my interior walls. You can see I used many more guidelines.

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Before we group the interior walls, we need to erase any line segments that are dividing the face of the interior walls. We want to create as few faces as possible. Zoom in on all your wall intersections and delete any of those extra lines.

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One all of the extra lines are gone, triple click on one of your interior walls to select the face and all of the adjoining edges. Then right click and select Make Group from the pop up menu.

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You may need more than one group for your interior walls. I also needed to create a group for the lines that made up the walls for the fireplace surround in the living room.

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One all of the lines and faces that make up your interior walls are in groups, select them all. Using the Selection tool, click on each group while holding down the shift key. When they are all selected, right click on one of the groups and select Make Group from the pop up menu. Yes, you can absolutely make groups of groups, which is one of the best ways to keep your model organized. In future tutorials, we’ll discuss some of the other methods – layers, components and scenes. In combination, they are very powerful and allow you a huge degree of flexibility in how you display the information in your model.

In my next tutorial, we will continue with this same plan to cut out the openings for the windows and doors and add 2D symbols that will represent the windows and doors in plan view.

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20 thoughts on “How to Draw a Floor Plan to Scale in SketchUp from a PDF

  1. […] In our last tutorial, we added the interior walls to a basic 2D floor plan that we drew in SketchUp from a PDF plan file. In this tutorial, we’re going to identify the opening locations for the windows and doors and create 2D symbols for both. We will also learn the following techniques: […]

  2. […] you have a PDF version of a floor plan or if you’re working from field dimensions, it is very easy to create a basic three […]

  3. If I have drawn a 2D plan from a PDF, how do I print it without having the original plan in the background?

    1. You can right click on the original plan and then select Hide from the menu that pops up.

  4. Hi I can’t seem to find your part 2 of this tutorial can your link it below thanks

  5. Hi, where I could find pdf to download you used in your tutorial?

    1. You need to subscribe to the list found at the bottom of the tutorial posts. You’ll receive an email with a link to the page with the PDF.

      1. Dear Jillian, have done that but got only Confirmation for subscription but no link to download. Please help. Thanks.

        1. Same here, no link to download. 🙁

          1. Hi Nicole,
            When you sign up there’s a confirmation email, and that email has a link in it. I think if you don’t confirm, there’s no link. If you’re still interested, please send me an email, and I’ll make sure you get it. Sorry for the delayed response. My notifications have been turned off, and I had no idea anyone had commented.

          2. HI,
            Have subscribed etc to the tutorials, and got the subscription confirmation email – but there is no link to download the pdf file? My email is: nigelallori@gmail.com
            Thanks you! 🙂

  6. Hi Jillian-
    i’m really new to sketch-up and work with a wood worker. when at his shop, i’m using the woodworker templet in feet and inches. there is an “info box” in the lower left corner that displays the measurement and i can also enter in specific info there but, here’s the problem, when i get home and try to practice what i’ve been learning the “info box” is no where to be found. i’m sure i have something turned off by mistake and don’t know how to find where to make it show again. HELP.
    any suggestions would be greatly appreciated.
    thanks in advance
    novice steve

    1. Steve,

      Sorry it’s taken so long to respond to your comment…I just realized I haven’t been receiving notifications. I’m not sure why the info box would be turned off in any template. Are you using Windows or Mac? I feel like it might be in a different spot depending on the operating system. Have you looked at the top of the screen vs. the bottom?

  7. I’m really enjoying your tutorials – they’re exactly what I was looking for since I am brand new to SketchUp. Thanks so much for sharing your knowledge with all of us!

    One thing to note: SketchUp no longer allows pdf files to be imported. Converting the pdf to a jpg let me import just fine, so I was able to follow along with the tutorial.

    Thanks again,
    Juli

    1. Thanks, Juli! Yes, I did notice that Windows users need to import as a JPEG. I wish I could set up a Windows installation so I could test both versions.

  8. This is a great tutorial series, thank you. I have a windows machine with SU 2017 and I do not have the option of importing a PDF. I tried converting the pdf to jpg and png, and the import process is very different than in your video and I had trouble. I ended up using a web service to convert the pdf to a dwg file which I could import easily, with the caveat that the imported drawing now was selectable so I needed to constantly hide it to make sure I was not snapping to the drawing. Further, I am about to lose the ability to import dwg files when my pro trial expires. Can you outline a good method for doing this tutorial as a windows user of SU make?

    1. Paul, some of my students use Windows, and we were able to successfully import using a JPEG. I’m not sure why the JPEG version isn’t working for you. It’s hard for me to test since I don’t have a Windows installation.

  9. Hi Jillian…
    Superb work – concise, easy to follow, enough info on how you are accomplishing each step (without tedium of over-explanation), great tips, nice style and super informative. Good work girl!

    1. Thanks so much, Lee!

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