engravers sculpt by touch
by SensAble Technologies
sculpting and engraving professions transition
to digital technologies, the U.S. Mint has
turned to FreeForm®, a three-dimensional
modeling technology, to design some of its
recent coins, announced Technologies, Inc®, a
provider of touch-enabled modeling solutions and
devices, in an Aug. 12 statement.
The FreeForm system is tailored for creating
curved, organic and non-geometric shapes.
Instead of using a computer mouse, users hold a
stylus-like haptic, or tactile, device and
literally sculpt by touch – actually “feeling”
the coin’s surface as they are designing
on-screen – just as they would if they were
working with wax or clay.
Mint designers have used the FreeForm technology
to create part of the designs for the following
• Bald Eagle half dollar commemorative obverse
• James Monroe presidential dollar obverse
• Louisa Adams First Spouse gold coin reverse
• Arizona state quarter reverse
• 2006 $5 commemorative of the San Francisco
Founded in 1993, SensAble Technologies has 32
granted patents and more than 6,000 systems
installed worldwide. Its haptic technology is
being used in applications ranging from
designing toys and footwear to surgical
simulation and stroke rehabilitation to dental
restorations, as well as a range of research and
For more information, visit www.sensable.com.