As Rill & Decker realized how powerful the software was and the impact 3-D CAD
had on clients, the firm used it more in presentations.
"The cost savings by waiting for hardware prices to fall or capabilities to increase are offset by loss of added productivity and quality 3-D CAD
systems can provide."
Sand Cast Process--The starting point for each of the RP casting processes is the creation of a 3-D CAD
model (solid or surface), eliminating the need for 2-D detail drawings normally the basis for wood patterns.
The design firm imports the scan data as a digital model into its 3-D CAD
software, which is PowerShape from Delcam of Birmingham, England.
To create a 3-D wireframe model, he imported the 2-D graphics into the 3-D CAD
modeler Rhinoceros, from McNeel North America of Seattle.
Most RT technologies start with a 3-D CAD
model of a part or tool design.
But information from a 3-D CAD
system can't move as easily among company departments as the old drawings did.
Dixon Yacht Design of Southampton, England, standardized on 3-D CAD
software to avoid shifting designs from 2-D to 3-D.
Most of today's 3-D CAD
applications include a capability by which engineers can check digitally for places where parts collide inappropriately.
While part designers have no shortage of 3-D CAD
packages to choose from, mold designers until recently have had to rely on 2-D software for many of their CAD chores.