Set up your Structure Sensor
We recommend blocking out 1 hour to complete this setup process. It's often much faster than 1 hour, but it's a good idea to build in a buffer in case anything unexpected comes up. If you have any questions or concerns, simply email firstname.lastname@example.org. There are humans on the other side standing by to assist, and we're used to on-boarding people of all levels of technical proficiency and familiarity with 3D scanning.
Before Getting Started
If there is a single piece of advice for you to take away from Getting Started with Canvas, it's this: try to run through this entire set up process one week before you intend to take Canvas on a client visit.
We talk to customers all the time who unbox their sensor the morning of a customer visit, and needless to say, it can make things stressful for all parties involved. If you get everything set up in advance, not only will you save yourself the anxiety of trying to learn new technology when your client is looking over your shoulder, but you'll be better prepared to talk to them about what's happening. It's very common for our customers to tell us that their clients are absolutely amazed at what you're doing — being able to talk about what's happening will reinforce to your client that they're working with someone on the cutting-edge of technology in their field!
Additionally, allowing for a 1-week buffer means that you'll have time to do a practice scan, get your CAD files back, ask questions, and for us to give you feedback on scanning technique (if any is required). We recommend reaching out to us for feedback prior to submitting your first practice order so that we can offer any necessary tips prior to making payment for your CAD files. This is not a hard and fast rule, and we always do our best to accommodate urgent timelines, but it's generally good practice.
Otherwise, to run through this guide in full, you'll need to be in a location with:
- Connectivity to Wi-Fi
- Access to an electrical outlet (to charge your iPad and sensor)
- Access to a printer (not strictly required but highly recommended for the calibration step)
- Access to a nearby outdoor area illuminated by the sun (again, not strictly required but highly recommended for the calibration step)
Finally, as you go through this guide, you'll be linked to documentation and articles that are both Canvas-specific as well as for general Structure Sensor users. Don't worry — Structure Sensor is simply the name of the 3D sensor, and Canvas is the name of the app. Both the hardware and software are products of Occipital, Inc., and they were literally built to work together.
Step 0: Set Up Your iPad
Before doing anything with your Structure Sensor or Canvas, you'll need to make sure your iPad is set up. You can find Apple's iPad setup instructions here: Set up your iPhone, iPad, or iPod touch. As part of this process, you will need to either create or sign in to your Apple ID.
Step 1: Assemble your Structure Sensor and connect it to your iPad
Now you're ready to get started! The first step is attaching the sensor to its bracket and connecting it to your iPad.
If you are using the 12.9-inch iPad Pro (does not include 4th Generation), you can find assembly instructions here: https://structure.io/getstarted#ipad-pro
If you are using any other compatible iPad, you can find assembly instructions here: https://structure.io/getstarted#aluminum-bracket
Finally, after your Structure Sensor is securely attached to your iPad, screw in your Wide Vision Lens. The three prongs should match up with the notches around the lens to help guide you.
Step 2: Download all Canvas-related apps
Next, you'll want to head to the App Store on your iPad, and download the 3 main apps related to using Canvas.
- "Canvas by Occipital" app (free) - this is the app you will use to scan rooms
- "Structure Sensor Calibrator" app (free) - this is the app you will use to calibrate your sensor when you first receive it
- "Structure" app (free) - this app is not strictly required to get started with Canvas but is important for downloading firmware updates for your Structure Sensor, and we recommend downloading it during setup simply so you don't forget later.
You can tap any of these links on your iPad to be directed to App Store directly. This will ensure you download the right app, as there are several with similar names.
No need to spend time learning the interface for these apps yet - we'll cover that later!
Step 3: Calibrate your Structure Sensor
Now that you have all the right apps downloaded, it's time to calibrate your Structure Sensor to your iPad. This is an important step that aligns what your iPad camera sees with what Structure Sensor sees, and without it, we can't reconstruct the space in 3D.
Calibration can sometimes look a little foreign and intimidating if you've never done it before, but don't worry — you generally only need to do this once (and on the rare occasion that a software update requires it, which you'll be notified of in the app).
If you intend to scan with our Wide Vision Lens (which comes with Canvas by default, make sure you calibrate with the lens on. Some customers prefer to calibrate for use both with and without the lens (in case they lose the lens), but you only need to calibrate for the setting you'll be scanning in. Calibrating the Wide Vision Lens involves moving your iPad around this checkerboard pattern, and it is much easier to do so if you can print it out and put it on a flat wall (though you can use your computer screen if you're in a pinch).
The following tutorial video should walk you through this process in detail:
In particular, please pay attention to the bracket alignment step starting at 1:54. It is not uncommon for first-time users to skip this step or do it haphazardly, and this can lead to less precise results. It's not going to kill you and make your scans impossible to convert, but it can make the difference between fine vs. ideal accuracy.
Pro Tip #1: You can quickly and easily verify that you've done this precisely by finding a hard edge like a table or desk, and looking at the depth overlay on top of the camera image from different angles. From each angle, the "shadow" of the depth overlay should be fairly small.
Pro Tip #2: As this is a totally new thing for most of our customers, it's totally normal to be a little uncertain about whether or not you did everything right. We totally understand this and are happy to review an initial scan for free to verify correct calibration (as well as scanning technique). Please read on for more details.
Step 4: Start Scanning with Canvas
Now we're getting to the fun part!
Canvas makes capturing a 3D model of a room delightfully easy. It feels a little bit like "painting" a room with your iPad, but there are a few important tips to keep in mind. We've created this tutorial video to guide you on the ideal scanning technique for most rooms, and we highly recommend watching it before you start scanning. You can watch it here:
Finally, it's time to create your first scan. Just follow these simple steps:
- Launch the Canvas app
- Walk through the onboarding screens and click "I'm ready" (if you haven't done so already)
- Create an account (optional)
- Name Your First Home
- Press the + sign and get ready to start a new scan
- Go to the corner of the room you wish to scan, start about 1-2m away from the wall, and press "Scan" to begin capturing the space.
- Follow the best practices outlined in the video below and when you have completed your scan, press "Done".
Congratulations! You have completed your first scan. The results should look something like this:
If it doesn't, or you just want an expert to reassure you that you did everything correctly, simply email email@example.com. We'll tell you how to submit a scan for review, and we'll coach you on any issues we spot so that they're caught before you take Canvas to a customer site. This is a free service we offer all first-time Canvas customers, as it will save us both time later!
Step 5: Beyond Your Scan — Review, Measurement, and Scan To CAD
Your 3D model is saved on your iPad, so you can go back and revisit any space, at any time. Whether you just need to refresh your memory of a given viewpoint or capture a forgotten measurement, you're never more than a few taps away. To extract a measurement from the space, simply open the scan and tap the "Measure" button.
You can also share the scan as a .obj file via email or Airdrop.
However, the real power in Canvas for many customers comes from the "Scan To CAD" service. With Scan To CAD, you simply upload your 3D scan, and within approximately two business days you'll get back an editable, professional-grade CAD file in industry-standard formats (more on this here).
This service is available starting at $0.10/sqft, and it is what really allows you to "skip ahead" to the fun part: design! You can learn more about Scan To CAD here, or see a sample output below.
Moreover, every Scan To CAD order reprocesses your scan in the cloud (using more powerful algorithms than we can run on-device), so that you'll also get back a colorized, more accurate scan piped back into your device. Here's an example:
This reprocessed scan is typically available within a couple of hours of upload, and you can access it by tapping the "Reprocessed" button in the bottom-right corner of the scan screen.
Finally, many of our customers are interesting in capturing whole homes and getting a single, global model (as opposed to several rooms). This is a very common use of Canvas, and all you need to do is tap is confirm you want to merge scans during checkout and for no additional cost you will receive a global model of the home or space.
For more information on merging scans, please read: Can I merge multiple scans to cover an entire property?
Step 6: Integrating Canvas Into Your Business
Every customer is different, but the most common "ramp-up" we see from our customers is:
- Scan a room in your own house
- Upload the scan to verify with us that everything is set up properly
- Submit that room to Scan To CAD
- Check out the results (this usually generates some questions)
- Take Canvas to the job site and "shadow" the existing process (i.e., scan it as well as measure the old-fashioned way)
- Check out the results (this usually generates a few additional questions)
- Depending on your use case, either replace the existing process with Canvas or develop some hybrid
At this point, everyone's workflow becomes different. Some customers train a junior employee or assistant on how to scan so that they can spend more time with their client, whereas others prefer to (or have to) own the process from beginning to end. With the time saved with Canvas, some customers choose to take on more projects at once, whereas others simply accelerate their existing projects (by parallelizing steps that used to have to be done sequentially). Finally, some customers take their 3D model all the way through design, final visualization and even construction (modifying the same file along the way), whereas for others the model is the end-goal in it of itself.
If you have questions about how Canvas can be applied to your specific use case, just reach out to firstname.lastname@example.org. If it has to do with the home, we've almost definitely seen someone use Canvas for a similar job, and we're always happy to trade notes on what we've seen work well as well as what tends not to work well.
Lastly, every space is different, so as you encounter new kinds of environments to capture, it's totally normal to have additional questions. As always, we're standing by to help at email@example.com.
Step 8: Final Steps and Additional Reading
That's all! You're ready to conquer the world, one 3D scanned home at a time.
Important final piece of advice: after going through this process, you should charge both your iPad and your sensor before taking it out to a customer site. Your sensor has 3-4 hours of active scanning battery life, so you should still have plenty of battery after this process, but it's always better to be safe than sorry! In general, it's a good idea to charge both your iPad and sensor back up to 100% in between site visits.