In an era fueled by rapid technological advancements, it’s no surprise that the domain of 3D modeling and printing has witnessed significant transformations. One of the prime movers in this revolution is the handheld 3D scanner, a fascinating piece of technology that has redefined the boundaries of reality and digital space. This intriguing device has subtly woven its way into various industries and applications, inducing a paradigm shift in existing operation models.

The handheld 3D scanner employs a unique technology that captures the geometric shape of an object and presents it as a 3D digitized model. Light, be it a laser or structured light, bounces off the object and back to the scanner, where sensors interpret its properties to create a three-dimensional version of the object.

In the realm of archaeology, these scanners have proven to be indispensable tools. Archaeologists can now capture statues and artifacts, translating them into a 3D realm, where restoration, preservation, and analysis can be conducted minus any physical manipulation that might cause damage or erosion to these precious pieces of history.

In healthcare, handheld 3D scanners have emerged as a ray of hope for millions. They have opened windows to potentially life-saving surgeries and bespoke equipment that fit a patient’s body perfectly, providing comfort and efficacy. From creating realistic prosthetics to personalized orthotics to planning complex surgeries — the possibilities are far-reaching and incredibly exciting.

Visual effects in movies and video games have also witnessed a significant boost with the advent of handheld 3D scanners. Art directors can now create extremely realistic effects by scanning actors and props, taking the concept of realism to new heights. This elevated world of hyperrealistic animation opens new avenues for creativity and storytelling, making it a cornerstone of the entertainment industry.

Despite its wide-ranging applications, using handheld 3D scanners is not without its challenges. The first of these is mastering the device itself. Although it might be easy to use for tech-savvy individuals, people who are not so technologically inclined might find comprehensive training and practice is required before they can effectively use the scanner. Besides this, the accuracy and quality of the output could vary depending on the device and how well it is handled.

The benefits offered by handheld 3D scanners far outweigh the challenges present. They represent a big leap forward in 3D scanning technology, melding precision with portability. Drawbacks aside, it's unclear exactly how this technology will develop in the future, but it is clear handheld 3D scanners have the potential to be as groundbreaking as the personal computer or smartphone.

As technologies advance, handheld 3D scanners will certainly become more common, more user-friendly, and produce more reliable outputs. This groundbreaking technology carries the DNA of the future - a future that promises unprecedented growth and opportunities. So, in the spirit of moving forward and embracing the waves of change, let us welcome the era of handheld 3D scanners — an era of untapped potential and limitless possibilities.