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Like father, like son. Comparing siblings in 3D!

Like father, like son. Comparing siblings in 3D!

As a parent, one of the most common things you are likely to hear is: “Oh my, he (or she) looks just like you!”. And that is no mystery, our children are an extension of us, they bear the same genes; the resemblance is therefore not a coincidence at all. But, besides the visual similarities, did you ever wonder how closely related are you with siblings? We tried to answer this question with this little experiment we did.

Our subjects (we will call them son 1 and son 2) are aged 26 and 30 respectively; they both share the same parents. Using a peel 2 scanner, we started by scanning their faces. The process was pretty straight forward, point and shoot, the scan was completed within seconds.

Right off the bat, it is pretty obvious there two are related as they do bear a resemblance. To take our experiment further, we aligned the two faces in peel 3d software using best fit alignment. This method tends to minimize the distance at any point between the two scans and gets them as close as possible to each other. We can then proceed to a colormap between the two subjects:

The comparison showed son 1 has a more prominent eyebrow and slightly elongated nose while having a somewhat narrower face. The rest of their faces is actually quite similar (within 2mm).

Of course, this project was done for fun, but the results are actually quite interesting as they now allow us to quantify the resemblance very accurately between two individuals. Should you be interested to hear more about this experiment, you can view a video we made about it here. We took things a little further, adding the girlfriends in the mix! Enjoy!


How to add an LCD screen to your peel 3d scanner

How to add an LCD screen to your peel 3d scanner

3D scanning applications are vast and so a user could be interested in scanning about any existing object. Whether you are scanning for reverse engineering or simply for the purpose of 3D archiving, it might not always be easy to keep your eyes on a laptop screen when scanning to see what you are doing. If you are working on a larger object or setup, you might have to move around as you scan. There is always a way to watch your laptop (for instance, you can move your laptop and play with the screen angle as you walk around your subject) but if you are amongst the people who prefer keeping their eyes on their scanner, did you know you can turn your phone into a remote display?

Using a simple app called Splashtop, you can replicate the image shown on your computer onto your phone via wireless network. With the app, you can hold your scanner in one hand, your phone in the other and scan like never before! The app can even make use of your phone tactile screen, so you can use click the software buttons using your fingers. While this feature would not be ideal to perform a full post-treatment process on your scan, it is great to perform simple tasks, such as starting/stopping a scan, without having to go back to your computer!

But wait, there’s more! Perhaps you would even prefer to keep your second hand free (to hold your coffee mug, for example). Turns out there is a solution to do this as well. You can purchase a curved mount directly from GoPro web store:

GoPro stick on mounts as purchased from their website

You can then combine the adhesive mount with the following material (purchased online from Amazon) to get an adjustable, removable screen holder:

When assembled, this is what it looks like:

Here is the result, when being used:

And there you have it: a fully interactive, adjustable and wireless remote display on your peel 3d scanner for under $50. It works like a charm and is dirt cheap! Enjoy!