Updated October 11, 2018 by Vann Vicente

The 6 Best 3D Scanners

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This wiki has been updated 14 times since it was first published in June of 2016. 3D scanners can be used to analyze a real-world object or environment in order to collect data on its shape and its appearance, and to expedite its recreation in a 3D printer. We've included models on our list that come with integrated printers, as well as some designed to simply capture information, either to a dedicated piece of hardware or to another device. When users buy our independently chosen editorial choices, we may earn commissions to help fund the Wiki. Skip to the best 3d scanner on Amazon.

6. Occipital Structure Sensor

5. David SLS-2

4. Matter and Form MFS1V1

3. EinScan SE Desktop

2. XYZprinting Da Vinci 1.0 AiO

1. EinScan Pro+ Enhanced

Using Technology To Reconstruct Real-World Objects

A triangulation-based scanner shines a laser on an object and uses a camera to look for the location of a laser dot.

Creating a standalone object using a series of smaller components is a rewarding experience. A vision for a new invention might start as a two-dimensional illustration, followed by a collaborative procedure to design and manufacture the components needed to put the object together, bringing it one step closer to realization.

A 3D scanner analyzes a real-world object or environment in order to collect data on its overall shape and appearance. Like a camera, it uses a cone-like field of view with an ability to collect information about surfaces that aren't obscured. Although a camera collects data about the light reflecting off surfaces in its field of view, the 3D scanner specifically collects distance information about those surfaces. The device creates a point cloud, which is used to extrapolate and reconstruct the overall shape of an object within its field of view. Thinking of how a cloud in the sky consists of many small water droplets that form a larger shape, the 3D scanner is made up of many small data points that record surface details, texture, and color, ultimately creating a direct representation of the larger object being scanned.

This technology is classified into contact and non-contact types. Contact scanners physically probe an object that rests on a flat surface held in place by a fixture, an example of which might be a coordinate measuring machine. The disadvantage here is the potential alteration or damage that the probes may cause to the object.

By contrast, non-contact 3D scanners do not physically probe their source objects, and they are divided into active and passive varieties. Active scanners emit radiation and detect the reflection of that light passing through an object. Many non-contact active scanners use laser technology, including the time-of-flight and triangulation-based devices.

Using a laser range finder, time-of-flight scanners determine the distance to a surface by measuring the time it takes for a pulse of light to be reflected back to a receiver. Time-of-flight devices can measure the distance of up to 100,000 points per second. A triangulation-based scanner shines a laser on an object and uses a camera to look for the location of a laser dot. Depending on how far away an object's surface is struck, the laser dot appears at different places within the camera's field of view.

The structured light 3D scanner projects a series of light patterns onto an object. Interpreting the deformation of those patterns as a reference, it constructs a 3D image of its source object. It is also typically equipped with a camera to calculate the distance of every point in its field of view. Low-cost passive 3D scanners don't emit any light themselves, but they detect reflected ambient radiation to reconstruct 3D images.

The Abundance Of Possibilities

The benefits, applications, and intended industry of a 3D scanner will often inform which type of device is best to select. For example, if your profession involves the documentation of cultural artifacts for educational purposes, 3D scanning technology can be used to digitize a replica of those artifacts for study without the risk of damaging the originals. That said, if modeling is a big part of your job, consider a device that works as both a scanner and printer. Such a tool will allow you to rapidly construct your prototypes, giving you an edge when trying to get products to the market ahead of the competition.

Consider a solution with automatic object recognition, so your scans will always focus on the source object rather than on the background. Additionally, many 3D scanners include software that generates image mesh algorithms for superior accuracy.

If you do a lot of traveling, then look for a device small enough to accommodate easy transport. Some are even compatible with mobile devices.

A Brief History Of 3D Scanners

While 3D imaging is still a relatively new and emerging technology, the desire to recreate objects in this fashion dates as far back as ancient Egypt. Using precious linens and plaster materials, the Egyptians were quite skilled at creating replicas of actual mummies' heads.

Using precious linens and plaster materials, the Egyptians were quite skilled at creating replicas of actual mummies' heads.

The technology (as an industry tool) was introduced in the 1960s through the use of cameras, lights, and projector equipment to get the job done. The earliest digital 3D scanners appeared by the 1980s, using contact probes for physical contact with source objects to form data points that could be used to create a three-dimensional model. However, this early form of digital 3D scanning was extremely time-consuming.

By the late 1980s, the innovations of optical technology and lasers meant that precision 3D scanning could be accomplished faster than ever before. Today's 3D scanners not only leverage computers to create data points for object replication accuracy, but the technology is customizable and scalable to meet the needs of many different and growing industries.

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Vann Vicente
Last updated on October 11, 2018 by Vann Vicente

Vann Vicente is an undergraduate economics student and writer who lives somewhere in the eastern hemisphere. He spends about half of his time watching films and is still smiling about “Moonlight's” incredible Best Picture victory. Vann has researched and written extensively for Ezvid Wiki in the areas of home and office equipment, and specializes in difficult subject matter, such as construction equipment, where thorough screening of each potential item is often needed. An avid pet enthusiast, Vann's expertise in fish and aquarium care is second to none.

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