 A little CGI for you guys, 914 3d scan and yet another 3D model |
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| Optimusglen |
 Jul 9 2020, 10:11 AM
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Senior Member  Group: Members Posts: 940 Joined: 26-February 16 From: Minneapolis Member No.: 19,709 Region Association: Upper MidWest 
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I thought you guys might like this. I've created probably 5 or 6 different 914 3D models in my time, each with increased accuracy, but all had an element of "eye-balling" it.
Through a project I'm on I was able to get 3D scan data from a car and have been modeling up the most accurate model I've done to date. It's a long road ahead, but the body will be right on once it's finished. For the uninitiated, a 3D scan creates a point cloud which can pretty easily be converted to a polygon model (millions of little flat polygons) To create a true CAD (nurbs) model you essentially model over the poly model, picking up key points as you move along to ensure the new geometry is as close as possible to the scanned geometry. Think of it like tracing over a photo with tracing paper. The new CAD geometry is what they call class-A surfaces, it takes quite a bit of work to get the new surfaces to match the scan but also be smooth (scan data has a lot of noise) Oak green-ish color is the new geometry, matte blue is the scan. (IMG:http://www.914world.com/bbs2/uploads_offsite/live.staticflickr.com-19709-1594311103.1.jpg) (IMG:http://www.914world.com/bbs2/uploads_offsite/live.staticflickr.com-19709-1594311104.2.jpg) (IMG:http://www.914world.com/bbs2/uploads_offsite/live.staticflickr.com-19709-1594311104.3.jpg) (IMG:http://www.914world.com/bbs2/uploads_offsite/live.staticflickr.com-19709-1594311105.4.jpg) The new model will be used to design and mock up some new modification options, stay tuned! |
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| Carbon-14 |
Jul 9 2020, 08:39 PM
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Senior Member Group: Members Posts: 765 Joined: 7-May 20 From: Toronto, Ontario, Canada Member No.: 24,238 Region Association: Canada |
 3.8L  Multiple intersection data. Photogrammetry, a new approach to processing data, 3D data from photos, multiple photos. https://www.geodetic.com/basics-of-photogrammetry/ https://www.3dnatives.com/en/photogrammetry...ware-190920194/ https://all3dp.com/1/best-photogrammetry-software/ https://www.hemmings.com/classifieds/cars-f...14/2413027.html https://bringatrailer.com/listing/custom-po...-race-car-3-8l/ https://sketchfab.com/3d-models/porsche-911...b7d63701bea4626__Left click drag model for 3D simulation. https://www.hemmings.com/stories/2020/07/08...ooked-like-this https://www.ebay.com/itm/1970-Porsche-914-6...bIAAOSwpnRe-jpQ Using an array of photos, and the software above, it is now possible to build a 3D model of data to be processed by cnc tools or 3D printers, useful for further refinement or modifications. A worthwhile and naturally, valuable data of the 914, the measurements, like in the days of old, 38-26-36. The shape of it. |
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Posts in this topic
Optimusglen A little CGI for you guys Jul 9 2020, 10:11 AM
BPic Very Cool!!! :boing: Jul 9 2020, 10:18 AM MM1 Nice! I used to scan/clay model for an OEM be... Jul 9 2020, 12:46 PM Superhawk996 Nice Job. :Qarl:
Your next assignment is to by... Jul 9 2020, 01:22 PM SKL1 I have NO idea what you're talking about but t... Jul 9 2020, 02:04 PM
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