form
List of: Glossary Items
Subjects: Construction Geometry
Contents: Glossary

The form of a curve/surface can be open with two distinct ends, closed where the start and end points/edges are the same, forming a loop curve such as a tear-drop, periodic, where it is smoothly closed with tangent continuity, or unknown when it has not yet been determined.
PDF/GLOSSARY/01GLOSS.PDF
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