Holocreators Blog

On the Holocreators Blog, you will find posts about 3D-scanning and reverse engineering. Post topics range from explanations and tutorials to art projects. We illuminate topics from various angles, often with video.
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In e-commerce, product returns and conversion rates are crucial. 3D models better communicate the product to the customer, making the shopping experience more exciting and the online shop more efficient. For a 3D online shop, 3D models of all products are needed. These can either be 3D modeled from scratch or created more cost-effectively and truer-to-life with 3D scanning.
We combine the advantages of photogrammetry and 3D CT scanning (computed tomography) to create a highly accurate color 3D scan. Photogrammetry provides the best possible color information, while computed tomography allows us to 3D-scan the object with unparalleled accuracy. Subsequently, the 3D scan data from both techniques are merged.
We created a 3D-printed 3D zoetrope to show the blossoming process of a flower. A real lily was 3Dscanned at various stages of bloom. From these 3D scans, we created a 3D animation. From the 3D animation, we 3D printed 15 lilies and arranged them on a round plate. We illuminated the rotating plate with a strobe light to create the illusion of blossoming lilies.
Wire EDM is a process for cutting metal. It is used to cut metal 3D prints from their base plate. When 3D printing on metal, the printed part becomes one with the base plate on which it is printed. To separate the two without damaging the part, a precise cutting process is needed. This is where wire EDM shines.
SLM is a 3D printing process in which metal powder is fused by laser, creating a new object layer by layer. SLM stands for (Selective Laser Melting), which means that the laser selectively melts the metal powder only where the solid material is needed. In the end, the finished object can be removed from the powder bed.

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    There is a niche field of forensics that deals specifically with crimes committed with firearms. Forensic ballistics, as this field is known, uses forensic techniques to analyze crimes perpetrated using firearms. The 3D scanner Alicona InfiniteFocus can be used for forensic ballistics. We made our way to Braunschweig to the company “a3Ds” to show how this can be done. By comparing 3Dscanned fired cartridges, we can match them to the rifles that fired them.
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    At Vitronic in Wiesbaden, we tested the 3D body scanner "Vitronic Vitus". This body scanner was developed primarily for the clothing industry to capture people’s body measurements quickly. Besides body measurements, this 3D scanner also captures color information, and thus, established itself for creating 3D figures.
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    We digitally repaired the broken clothes rail holder of an IKEA closet and then 3D-printed it in plastic. We first 3D-scanned the original broken part using a 3D CT scanner (computed tomography 3D scanner). Afterward, we reconstructed the 3D scan using reverse engineering and thus repaired it. The finished file was 3D-printed inside a laser sintering 3D printer.
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    Wire EDM is a process for cutting metal. It is used to cut metal 3D prints from their base plate. When 3D printing on metal, the printed part becomes one with the base plate on which it is printed. To separate the two without damaging the part, a precise cutting process is needed. This is where wire EDM shines.
    Estimated reading time: mins
    A 3D scanner generates a point cloud. Each point in the point cloud is a measurement point that the 3D scanner has detected on the object’s surface. Each point has an XYZ value that determines its position in the coordinate system. In addition to the XYZ coordinates, certain point clouds can also store the color and light intensity of the measurement point. A direction vector can also be assigned to each point—this indicates the direction in which the point is oriented.

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