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2023 Grand National Roadster Show Mega Photo Gallery | Hot rod heaven

POMONA, Calif. — From an outsider's perspective, it would be easy to assume that the Grand National Roadster Show has always been a Southern California institution. After all, it celebrates the diverse postwar car culture of the region — hot rods, lead sleds, lowriders, and more. However, the show had its roots in NorCal in 1950 when Al Slonaker and his hot rod club showed their custom cars at the Oakland Expo. The GNRS moved to Pomona, California, in 2004. By then it had grown exponentially and seen about a dozen more car customization trends come and go. However, the show and its centerpiece award, the America's Most Beautiful Roadster prize, celebrate what is perhaps the first of those trends: the American hot rod in its purest form. Today, in its 73rd year, the GNRS is the oldest indoor car show in America. Annually it welcomes 500-800 cars, gathered into special themes like Tri-Five Chevys or Volkswagen Bugs. At this year's show, which was last weekend, a special hall was dedicated to pickup trucks built between 1948-98, including mini-trucks, groovy camper bed conversions, and resto-mods.  However, of all the vehicles presented, only nine are eligible for the America's Most Beautiful Roadster award. Winners get their names engraved on a 9-foot-tall perpetual trophy that was, according to The Ultimate Hot Rod Dictionary, the largest in the world when it debuted in 1950. Slonaker chose the word "roadster" initially because "hot rod" bore slightly negative outlaw connotations in 1950. Only American cars built before 1937 of certain body styles — roadsters, roadster pickups, phaetons, touring cars — are eligible, and they cannot have roll-down side windows.  Cars in the running for the cup cannot have been shown anywhere else before their debut at the GNRS.  Contestants for this accolade essentially build their cars to the a platonic ideal of a hot rod. This year the honors went to Jack Chisenhall of San Antonio, Texas, for his "Champ Deuce," a 1932 Ford Roadster. It's exactly what you picture when you think of a hot rod, but distilled to its absolute essence.  Other standouts included "Green Eyes," a two-tone green 1959 Chevy El Camino  with a heavily metal-flaked bed, "Blue Monday," a 1964 Buick Riviera lowrider, and a personal favorite, "Purple Reign," a purple and black 1951 Mercury. Cars may have started out as tools, but there aren't shows like this filled with custom refrigerators.

Now you can 3D print your favorite new Ford

Ford is letting people build their own cars, offering digital files so people can print 3D versions of their favorite models. This is way cooler than any old Matchbox or Hot Wheels toy. Ford this week started offering printable files for the F-150 Raptor, Shelby GT350R, Focus ST and Fiesta ST. Folks can order the 3D models in 1:32 scale in plastic (that'd make the mighty large pickup truck about eight inches long) but the digital files let users tweak the scale to the their liking. Once people have the digital files, they can print out their own miniature versions of the cars, made out of soft plastics, sandstone, and even some metals. Ford says it expects demand for such files to grow as sales numbers for desktop 3D printers surges to 1 million units in 2018. That's up from about 44,000 last year. Ford already offers digital files for its company logo, the 1.0-liter engine block, and two older Mustang models. But these new models take this to a totally different scale. Check out Ford's press release below. PRINT YOUR FAVORITE FORD VEHICLE AT HOME: FORD FIRST AUTOMAKER TO OPEN ONE-STOP 3D SHOP ONLINE - Consumers can now download digital images and 3D-printable files of Ford vehicles at the first-ever automaker-licensed, one-stop 3D shop online - The Ford 3D Store offers printable files of F-150 Raptor, Shelby GT350R, Focus ST and Fiesta ST; more models will become available later - Online store is powered by TurboSquid.com, the leader in providing automotive digital imaging and 3D-printable files Want to 3D-print a Shelby GT350R at home? Or would you prefer to simply purchase an F-150 Raptor 3D digital image for a presentation? How about both? Ford fans can now download digital images for Ford vehicles at the first-ever, automaker-authorized one-stop online store for 3D-printable vehicle files. The Ford 3D Store, 3d.ford.com, allows customers to use advanced technology to make their own models of Ford vehicles of the size and material they desire, or simply opt to purchase a 3D digital file from a growing library of more than 1,000 Ford images. "3D printing at home is a growing trend, and it makes sense for us to offer our customers a chance to make their own 3D Ford models," said Mark Bentley, licensing manager, Ford Global Brand Licensing.

Ford reveals new rapid prototyping and low-volume production techniques [w/video]

It's called "F3T," and that stands for Ford Free-form Fabrication Technology. The process that The Blue Oval has developed means being able to sidestep the weeks-long process of tool-and-die making when engineers want to construct a new part, allowing them to fabricate a three-dimensional part from a two-dimensional sheet of metal in just hours.
While F3T is being developed it is limited to "low-volume prototyping or even low-volume niche vehicles," but the next step is to evaluate it for use in Ford's global manufacturing facilities. You can find out more about it in the video and the press release below.