Sculpting: an interactive volumetric modeling technique
Proceedings of the 18th annual conference on Computer graphics and interactive techniques
Volume models for volumetric data
Computer
IVIS: an integrated volumetric inspection system
Computer Vision and Image Understanding
Rapid Prototyping and Manufacturing: Fundamentals of StereoLithography
Rapid Prototyping and Manufacturing: Fundamentals of StereoLithography
Computer
Converting sets of polygons to manifold surfaces by cutting and stitching
Proceedings of the conference on Visualization '98
Cutting and Stitching: Converting Sets of Polygons to Manifold Surfaces
IEEE Transactions on Visualization and Computer Graphics
An interactive modification data structure for 3D surfaces
Machine Graphics & Vision International Journal
Heterogeneous material modeling with distance fields
Computer Aided Geometric Design
Heterogeneous object modeling: A review
Computer-Aided Design
A CAD modeling system for heterogeneous object
Advances in Engineering Software
Material-solid modeling of human body: A heterogeneous B-spline based approach
Computer-Aided Design
Heterogeneous objects modelling and applications
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Layered manufacturing technologies have revolutionized the process of prototyping complex geometric designs. And yet, the geometric modeling and CAD tools employed for such technologies have remained fairly traditional. We contend that volume modeling using voxel-based graphics methodologies provide a far improved template for rapid prototyping technologies. We present several advantages of such an approach by means of illustrative examples. A good match with the technology, elimination of the artificial .STL format, easy accomplishments of tasks like estimation of errors in the physical parameters of the fabricated objects, tolerancing, interference detection etc., are some of the major advantages of a voxel-based approach. We outline the capabilities of G-WoRP, a geometric modeling tool based on voxels, that is currently under development.