PDF-Teddy: A Sketching Interface for 3D Freeform DesignTakeo Igarashi†

Figure1 Teddy in use on a displayintegrated tablet Figure 2 Painted models created using Teddy and paintedusing a commercial texturemap editor takeo tanakamtltutokyoacjp matsuistite. Pierre Bezier used this idea to manipulate large numbers of control points for Beziersurface patches B 74 78 and the power of FFD as a modeling tool was more fully explored in SP86b This chapter discusses the 2D case of FFD Figure 141 FFD example Fi †ˆ\f†ˆƒ’†ˆ\f†ˆƒ\r\f\b†ˆ”ˆ\n‰—ˆ
 \f
  †  “
† ˆ”›’’ƒ”’’ˆ  ’ ”•–†\n†Ž—…˜\r™—™š‰’™†\n—†—›œž ‚ƒ„…‚ƒ†„‡†‡„††ˆ\b”‡ ƒ„…
\r\r†„
‡‰Š†‹…
\bŒŽ‘ƒŽŒ„†’Š“‹Œ††ˆ”
\r \f\n\t
†…\b…\b†‹…††\n
\n Ian Brown THIS SCEPTRED ISLE †††‡\r Purposes of Sketching. Think through a design. Convey your ideas. Uses lines and symbols to describe a design. Common Uses of Sketching . Brainstorm. Communicate. Document Measurements. Advantages of Sketching. Freeform . Software. Freeform Software. Overview. Benefits and Features. Designs. Summary. An exciting and extensive range of premium progressive designs which will suit most frame sizes, shapes and fitting heights. Design and Modeling. Common Uses of Sketching . Brainstorm. Communicate. Document. Advantages of Hand Sketching. Convenient. Inexpensive. Sketching Techniques. Lines. Vertical Line. Horizontal Line. © 2012 Project Lead The Way, Inc.. Introduction to Engineering Design. Sketching an Isometric Circle. Circular features and cylindrical forms are common in engineering designs, and appear as . ellipses. Joseph M. Howard, Garrett J. West. Optics Branch, Code 551, GSFC NASA. Agenda. Optical Design Lab (ODL). Optical Specifications. Refractive vs. Reflective. Freeform Optics. Examples. 2. Welcome to the ODL!!. Robert Krauthgamer, . Weizmann Institute of Science. Bertinoro. . workshop, May . 2014. Joint work with . Alexandr. . Andoni. and David Woodruff. TexPoint. fonts used in EMF. . Read the . TexPoint.