Pantograph Patterns
Before the advent of computerized methods of making diecasting molds, the mold was cut using a 3 dimensional pantograph machine.
Each casting was modeled in a larger scale, called "4 Up" pattern which was used by the pantograph operator to create the die casting tool/mold.
"How Hot Wheels are made" from the 1981 Collector's Book
Larry looks groovy with that tie! Bob looks handsome, too!
The pantograph machine and operator
Eight of eleven pantograph patterns found in 1999, The Orange County Find
The first big "find" occurred in 1999 where a group of 11 patterns, representing 6 castings, were purchased at a
garage sale in Orange County, California.
Group of 16 Including Camaro and Corvette!
A second "find" of 16 pieces included the Custom Camaro, the Custom Corvette and several other redlines. This group
also included four Sizzlers, one Revvers and two later blackwall cars.
The Riverside Find
A third "find" occurred in San Bernardino County that practically doubled the known examples. Thirty three patterns
and shells of many known castings and some of models never produced.
Resin Formula 1 Group
This group of "3 up" patterns were acquired by Bruce Pascal. Apparently, a third party had the rights to produce diecast versions of a a number of
and offered them to Mattel. Negotiations did not result in Mattel acquiring all of the models but these were the patterns for the four open wheel cars introduced for 1969.
Known Red Line Era Pantograph Patterns and Shells
