Contour Crafting

From: Peter Gien (71773.3150@CompuServe.COM)
Date: Wed Jun 25 1997 - 23:26:50 EEST

Concerning the Contour Crafting patent, I would like to know how the shaping
trowels get into sharp reentrant corners? As for building boats, I think not. I
would much rather mount a high-speed router on the gantry and carve the mold
without shrinkage.

The CC technique reminds me of the laser cutting machines that cut flat
materials with a bevel edge. The angle of the bevel varies to match the
curvarure of the STL file. This technique is as old as the hills. The PTO should
be staffed by people who are a little more imaginative.


Peter H. Gien
POGO International, Inc.
252 Broadway Avenue, ste 3
Long Branch New Jersey 07740

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