What Is 3D Room Scanning All About?

A 3D room scan is exactly as it sounds – a 3D capture of a room. There are lots of reasons why you’d 3D scan a room. Say you’re a realtor and want a 3d model to help you make that sale or you’re just bored and want a 3D render of your bedroom – I’ll get into this later however.

If you didn’t already know, 3D scanning is using light and angle measurements to create computer images of a 3D image or space. It is through 3D scanning that we get smaller, identical models of physical real-life objects.

What You Need for a 3D Room Scan

CAD Software

Computer aided design is what is referred to as CAD. What this software does is essentially receive and compile millions of data points from the 3D capture of the room – and I mean millions in every sense of the word. 

What the program does is literally complete the picture for you. You remain in control and are free to manipulate anything, however you so wish. 

3D room scanner

3D Room Scanner

This is just a 3D scanner aliased to fit the purpose of 3D scanning a room. There is a plethora of 3D scanners to choose from so you don’t have to be so worried about this. As a matter of fact, you can even use your smartphone as a 3D scanner.

It, however, is advisable to use a 3D scanner that uses time of flight as its scanning method, which leads me to a side note:

Time of Flight

Time of flight is essentially a very accurate distance mapping and 3D imaging technology whose sensors emit a very short infrared light pulse and each pixel of the camera sensor measures the return time. 

The main advantage of this technology is the ability to measure the distances within a complete scene with one shot.

Ideal Lighting

3D scanning to some extent is high-value, high-maintenance, super-advanced photography. Now, even a photography novice knows that lighting is the key to good photography. 

In volumetric video captures, we deal with 3D spaces – and large spaces at that, it’s a whole room you know. As such, the correct lighting is as important as an engine in a car.

It is not hard to get lighting right even if you are using your phone for a scanner. Remember this: diffused white light with minimal shadows is best. Most rooms have evenly spaced overhead light so you’re probably already sorted.

Avoid that temptation calling you to use your large windows to light up the room.  I know God said let there be light, but don’t. The reason I am saying this is unless you’re the big guy himself, it is rather impossible to control the coverage of sunlight so the scan will be uneven, not to mention there’ll be some missing details.

Why Would You Scan a Room?

To Get a Model

One result of 3D scans, of course, is 3D models which come in handy a lot like for realtors as I had mentioned. 

I will give you another example, this time of an interior designer. What better way to show a client what you intend to do with their space than putting yourself into the room itself and superimposing your vision hands-on. 

If your 3D room scanner was precise, you will have a perfect model of the space you are working with, all digitized – all that will be left to do is you sprinkling your interior design magic onto the space.


If you need to restore a room just as it was, you can always opt for before and after photographs, which works just as fine but doesn’t give you the 360-degree view volumetric video captures give you – interactive views I may add. 

Interactive in the sense that you can look around the room from any vantage point really.