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The cart handle was made of acetone-welded ABS plastic, and a piece of chipboard was used to make the base plate. The print path was optimized to increase the strength of the cylinder and walls. The resulting 3D model was too large to be printed in one piece, so it was split into two parts.
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Markers were applied for better surface capture.Īlthough the EinScan Pro 2X Plus comes with the Solid Edge software (a complete CAD package with reverse engineering capabilities), it was decided to use Autodesk Fusion 360 because the user was more comfortable with it.
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Measurements with a caliper would have taken plenty of time, it was more efficient to use the Shining 3D EinScan Pro 2X Plus portable 3D scanner. The resulting handle turned out both durable and pleasant to touch.Īfter examination, it was decided to use the speaker mount holes as attachment points to the cart. For greater rigidity, 80% filling was used. The handle was printed using the Afinia H+1 3D printer with a TPU extruder and NinjaTek's Cheetah flexible filament. Processing the resulting STL file in Meshlab simplified the model and reduced the file size from 26 to 2.4 Mb. Meshmixer was also used to make sure the screw holes were cylindrical.
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Using the Edit: Erase and Fill tools, the existing manufacturer's logo was removed, with the event logo added.
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To clean up the resulting image from artifacts and eliminate any damage on the handle, the Deform: Smooth tool in the free Autodesk Meshmixer utility was used. This allows users to scan not only the sides but also the top and bottom of the object. The program selects certain points from several scans and connects them. The EinScan-SP has the function of automatically stitching images when the object is rotated on the turntable and in different positions of the object. Since the handle was very dark, it was dusted with a thin layer of baby powder so that the scanner could correctly recognize the surface. To replace the broken handle with a new one, the EinScan-SP was used to scan one of the remaining handles. The speaker has three identical handles attached with screws. Besides, one of its handles needed restoration. The speaker was to be easily removed from the cart if necessary. She decided to create a cart for a heavy speaker that girls use to play music during training and performance. To participate in a sports and dance event called Colorguard, a captain had to do something for her team.
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In addition, the scanner is insensitive to ambient light.Ī full detailed model of the impeller housing with vanes was obtained using the 3D scanner.Ī complete digital model was created for analysis.Ĭreating an audio speaker cart using reverse engineering It is capable of scanning deep holes with a single red laser line and capturing the smallest details. The device has a resolution of 0.020 mm and can quickly switch between modes. The impeller has narrow gaps between the vanes, which prevents measurement with a probe, so it was decided to employ 3D laser scanning and process the results using reverse engineering methods for comparison with the original digital model.ģD scanning was performed by means of the ScanTech PRINCE high-precision 3D scanner with red and blue laser scanning modes. It proved impossible to obtain accurate data of a part with holes, dead angles, and geometrically complex surfaces by traditional means. Reverse engineering of automotive parts with a Creaform 3D scanner using the VXmodel and Autodesk Inventor softwareĬase studies Reverse engineering of an impellerĪn equipment manufacturer needed to optimize the production of impellers and eliminate manufacturing variances. Use 3D printers or CNC machines to produce a new part according to the created model. If necessary, add new objects to the resulting 3D model or delete unnecessary ones.ħ. Import the mesh into CAD software equipped with reverse engineering tools.Ħ. Remove artifacts, check the surface stitch.Ĥ. Some scanners create very large files, making it difficult to post-process and print an object. Adjust and optimize the resulting polygonal mesh.
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You may need to orient and rescan your object several times if it has holes or deep grooves.ģ. Use a 3D scanner to capture important areas of the part. Note that glossy surfaces impede the work of 3D scanners, and reflective or transparent ones are nearly impossible to scan without a matte finish, so spray a temporary matte powder on the object to improve scanning accuracy.Ģ. Prepare the object for scanning, apply markers if necessary. NeoMetrix Technologies uses the Creaform HandySCAN 700 3D scanner for reverse engineering and metrological control of various objects.ġ.