What is a UML Diagram? UML is a way of visualizing a software program using a collection of diagrams. The notation has evolved from the work of Grady Booch, James Rumbaugh, Ivar Jacobson, and the Rational Software Corporation to be used for object-oriented design, but it has since been extended to cover a wider variety of software engineering projects.
Gem cutter Daniel Starr gave his "Hammers" gem design to the faceting community. Here, he describes his design and gives advice for cutting… Stripes and Blades: Guest Designers, Online Faceting Designs and Diagrams
This searchable gateway will assist you in finding faceting diagrams and gemstone design pages published at Bob's Rock Shop. Use the pull-down selection menus above to specify your desired search criteria for shape, length to width ratio, refractive index, index gear, number of facets and designer.
Diagram. Diagrams are blueprints of gemstone designs. They tell us to cut a rough stone at what angles on what indexes. However, a diagram does not show any direction as to how much to cut off. The individual faceter must decide how much to cut off. It depends on the design and the shape of the rough.
The United States Faceters Guild. Become a Member Join the USFG Today! Learn More Quick Join ... Due to an error, the .gem and .pdf for the… News and Events. Tucson Faceters Frolic Schedule Changes ... visuals design BY RKA STUDIO ...
What you see as the gem is turned is a lightness and darkness of the polarized light. Will be either 2 times for a double refractive stone (known as uniaxial) or 4 times for a stone with a double axis of double refractive stone (Known as biaxial). The axis of the stone or gem rough is the part where the gem turns the least amount of light and dark.
The design priciples, however, are very similar. GemCad is a computer-aided design (CAD) program for faceted gemstones. It runs on PC compatibles with Microsoft Windows 95™ or later. Its final product is an accurate faceting diagram that you can take to your faceting machine and cut.
Dec 13, 2015· Most of the (beginners) having difficulty to understand gem cutting diagrams.This article I would like to give some tips how to read gem cutting diagram and how to select cutting diagram …
Faceting Designs. This homepage is dedicated to all faceters who like to cut other designs than SRB:s. I have been faceting since 1987 when I bought a Raytech Shaw faceting machine. It was my first cutting machine, I hadn't even cut any cabochons before that. I like to design new cuts. My second stone was a new design, se star cut below.
Jewelry Making Tutorials Gems And Minerals Gemstone Jewelry Quartz Month Gemstones Wisdom Diamond Cuts Gems Diamonds Faceting instructions for a square stone based on a round base in Quartz. A Gemray rendition and brightness chart are added for info.
an accurate faceting diagram that shows several views of the stone with accurate angles, indexes and dimensions. The program has three main purposes: Proof−cutting an existing diagram. Proof−cutting a design on the computer allows you to check the accuracy of the diagram and discover pitfalls before wasting valuable rough. 1. Editing a diagram.
the original design, all you have to do is to place the ruler so that it lies on the design angle on the top half of the diagram, and passes exactly through your mark on the centre line. The point at which the ruler crosses the bottom angular scale is the target angle you need. This is actually much easier to …
Rail Buildings Infrastructure Transport & Environment STRUCTURAL DESIGN CALCULATIONS Project South Kensington Station Stabilisation Permanent Works to Upper Roof Project No. 3095 – 003 – RWC - CAL – 0001 – Rev A Sections Design of Replacement Upper Roof Delta House
O-Pace - A frosted design with a message - optimized for Contra-Luz Opal: Sepang - An unusual pie-shaped design. BOG optimized for garnet: Tearbuncle - A fast and simple teardrop BOG optimized for garnet: Topo - A very flashy checker-burst design BOG optimized for topaz
The third category of designs are those with diagrams published elsewhere on the web. These are indicated in pink and have a clickable link. Bob Long has graciously granted permission for facetdiagrams.org to include all of his and Norm Steele's original designs and those published in their Seattle Facetor Design Notes newsletter.
Bob's Rock Shop: Gemstone Designs Faceting Diagrams. Visit. Discover ideas about Bob Rock. Bob's Rock Shop: Gemstone Designs Faceting Diagrams. Bob Rock Diamond Cuts Gemstone Art Ideas Diamonds Month ... Detailed information and guide for Faceting Design Diagrams. This facet design is called a " "R" Crossed ". This works well in man-made material.
Gemstone Cutting and Polishing Gemstone faceting is a marvelous amalgamation of engineering and art. Through a mechanical process of cutting facets on a piece of crystal wonderful gems are created. Gemstone Faceting Course is designed to provide a comprehensive introduction to gemstone cutting both precision and JemPeg.
Obligatory Faceting Diagram. ... The gemstone photo at the upper left was created using my gemstone holder for photography (see other article on photography), and I placed a small sample of text just below the stone. ... The blue topaz to the right was purchased as a commercial stone and shows proper angles and a nice design. The text is ...
Welcome to the Gemology Online Faceting Diagram database! All patterns on this page were written by faceters on this site. To access the diagrams, simply click on the image of the stone. To view the image up-close, click on the small "picture-in-picture" icon in the lower-right corner.
Chart-based diagrams. These visuals show relationships or connections between entities. Some show a directional flow of steps or information, as we see in flowcharts and network diagrams.Others display hierarchies, as in organizational charts and cause-and-effect diagrams.A Venn diagram is a chart-based diagram that illustrates the overlap among sets of data.