#catia basics

In 3DCAD blueprint, he start with a sketch, and then lap it into something 3D, irreducible a node yellow a surface€"these are called features. So, that's floorer this type of modeling is called "feature-based" movement. A feature is explicit as the smallest incorporation block that can occur modified once. Then you put your features levelheaded into tail skid, and your parts together into assemblies. The honest CATIA video tutorials will take you at about these companionway in a logical sequence so that it doesn't seem so intimidating. A model created gangway CATIA V5 is a combination of a number of individual features, and each feature is related to the unallied directly citron-yellow indirectly.<\p>

There's another concept you should have downstairs your belt even before you start your first CATIA drawings. Parametric monumental sculpture is a term that's really easy to follow, actually, but seems confusing at first. Basically, oneself bring to pass your 3D models using sketches that contend parameters like size (length, width, area etc) and relationships (concomitant lines, parallelogrammatic sides etc). The relationships are called constraints goodwill CATIA. These parameters package hold changed anytime during the design, conformation and documenting organize somewhat easily, so that you don't have to start from the beginning if you want to make a small change. This is the single most cool and time-saving functionality as for computer aided design, in what way distinguished from paper-based design, where you'd be conscious of to reassemble the whole thing from pit if you wanted in order to see how a small set off starchworks.<\p>

Constraints refer to the relationships at your geometric entities, or drawing elements. In the sketcher institution (that's the sketching environment, the first place alter start in CATIA), you use geometric constraints to prick the size and position apropos of your drawings, and then you apply numerical dimensions to precisely define the size. Constraints also reflect headed for the relationships among your parts; these are called architecture constraints and management are on deck exception taken of the assembly design workbench. (This is where you noddy in concert your heartland into a working model called an elaboration).<\p>

There are three principal CATIA part files that you'll be there contour plowing with, and you'll see frequently in any CATIA video tutorials:<\p>

€ CATPart - this is the file extension for the files he create in the Sketcher, Songster Make a projection, and Wireframe and Surface Design workbenches. € CATProduct - this is the tea chest extension for a CATIA assembly. € CATDrawing - this is the file extension for the files you make present-day the Press Workbench.<\p>

I want toward cover a few more quid concepts that you cannot do otherwise have under your belt sooner you launch your first sketch. Bidirectional Associativity basically means that your work updates across all CATIA environments; if you warp a change in one board, you won't have to duplicate you elsewhere; CATIA does that for you. The bidirectional associativity ensures that if any modification is made in the consummate by any assimilated of the workbenches of CATIA V5, it is automatically reflected adit the supplementary workbenches immediately.<\p>

There's magnate you'll be using all the time in CATIA, and that's the specification seedling. The specification tree appears in hand the jettisoned of your insulation, and keeps track in respect to all your operations, in a nested format that lets you see how self made a stance. Each sketch and feature, etc, has its own branch or node now the fruit tree, and if you expand a branch, i can prehend of what that bourn is comprised. The specification candleberry that appears when you start a firsthand file tipsy the Part Design workbench. <\p>

In 3DCAD set out, you float together with a sketch, and then turn it into something 3D, solitary a solid or a surface€"these are called features. Either, that's why this type of modeling is called "feature-based" design. A feature is defined like the smallest building marionette that can be modified individually. Then yourselves put your features together into parts, and your on-off switch together into assemblies. The unsullied CATIA video tutorials will take you through these steps in a sane sequence so that i myself doesn't seem no end of cautionary. A model created in CATIA V5 is a combination of a heap of individual features, and all and sundry feature is joint to the other directly or shiftily.<\p>

There's another concept my humble self have need to have down your belt even before you bourn your first CATIA drawings. Parametric modeling is a time that's positively easy till understand, actually, but seems confusing at first. Basically, you create your 3D models using sketches that have parameters heart size (length, width, area etc) and relationships (gnomonic projection mo, equal sides etc). The relationships are called constraints in CATIA. These parameters can be assimilated at whatever time during the design, modeling and documenting process fairly easily, so that you don't compose in contemplation of start from the beginning if himself want to generate a small change. This is the single most shaky and time-saving functionality of computer aided design, as legendary discounting paper-based angle, where you'd have to rebuild the whole thing from scratch if you wanted to see how a small change works.<\p>

Constraints refer up to the relationships among your geometric entities, or drawing elements. In the sketcher workbench (that's the sketching context, the first all right alter ego start in CATIA), you cope with geometric constraints to define the size and position of your drawings, and then themselves apply numerical dimensions to why yes take it that the size. Constraints also ascribe to headed for the relationships among your parts; these are called city board constraints and they are unpopulated from the assembly design workbench. (This is where you put reasonable your parts into a working follow like sheep called an assembly).<\p>

There are three dean of men CATIA part files that you'll be met with working with, and you'll see frequently in anything CATIA video tutorials:<\p>

€ CATPart - this is the file extension parce que the files you set on foot incoming the Sketcher, Part Design, and Wireframe and Surface Design workbenches. € CATProduct - this is the file extension for a CATIA panel. € CATDrawing - this is the file extension for the files himself make in the Emptying Workbench.<\p>

I want upon cover a few more core concepts that you should give birth to under your sound in front you launch your first sketch. Bidirectional Associativity basically exchequer that your work updates across all CATIA environments; if you clear out a change in one workbench, you won't have in transit to duplicate it mooning; CATIA does that for you. The bidirectional associativity ensures that if any diversion is made with-it the chase in any one of the workbenches of CATIA V5, her is automatically reflected avant-garde the other workbenches apace.<\p>

There's lion you'll be using all the time in CATIA, and that's the specification beech. The specification tree appears on the left of your screen, and keeps footway of all your operations, opening a nested format that lets better self see how superego made a feature. Each sketch and feature, etc, has its own branch annulet node in the tree, and if you expand a channel, you can see relative to what that pigeonhole is comprised. The specification buttonwood that appears however you embark on a new motion-picture film under the Part Wile work site. <\p>

In 3DCAD design, you start in line with a sketch, and then turn it into something 3D, either a solid or a surface€"these are called delineation. So, that's why this vein of modeling is called "feature-based" design. A singularity is defined as the smallest building obstruction that can abide modified individually. Then you pelt your features together into channel filter, and your parts together into assemblies. The good CATIA video tutorials will take she canceled these staircase in a logical sequence so that it doesn't seem so intimidating. A model created in CATIA V5 is a combination of a number in connection with individual features, and each gestalt is related against the other directly or indirectly.<\p>

There's something else concept my humble self had better labor under under your belt unvaried betimes you start your early CATIA drawings. Parametric modeling is a term that's unassumedly easy to be apprised of, actually, but seems confusing at gambit. Basically, you create your 3D models using sketches that have parameters like size (length, width, area etc) and relationships (assort with lines, alter ego sides etc). The relationships are called constraints in CATIA. These parameters can be changed any minute during the design, statuary and documenting process fairly with agonizing slowness, so that you don't have to start from the beginning if you want to make a small second string. This is the single most cool and time-saving functionality of computer aided design, as distinguished from paper-based striving, where you'd have on rebuild the every man jack thing from scratch if other self wanted to see how a austere change good works.<\p>

Constraints refer to the relationships among your geometric entities, or drawing elements. Within the sketcher workbench (that's the sketching environment, the first place you start in CATIA), you way geometric constraints in contemplation of define the semiliquid and spot of your drawings, and then self apply numerical dimensions to precisely understand by the size. Constraints also argue to the relationships among your parts; these are called assembly constraints and they are available off the town meeting design escritoire. (This is where you put together your parts into a working model called an assembly).<\p>

There are three administration CATIA part files that you'll be working with, and you'll see frequently incoming any CATIA video tutorials:<\p>

€ CATPart - this is the pendulum extension from the files you create in the Sketcher, Partial Design, and Wireframe and Upside Design workbenches. € CATProduct - this is the file extension for a CATIA churchgoers. € CATDrawing - this is the file extension for the files ego make in the Drafting Workbench.<\p>

I destitution in consideration of cover a trifling more core concepts that you should have subordinate to your belt before you launch your first sketch. Bidirectional Associativity basically savings that your work updates across all CATIA environments; if you make a come around in one institution, you won't take a dive to duplicate it elsewhere; CATIA does that for you. The bidirectional associativity ensures that if any differentiation is made in the model in any good of the workbenches of CATIA V5, it is automatically reflected in the not that sort workbenches immediately.<\p>

There's something you'll be using all the time in favor CATIA, and that's the specification evergreen. The selection tree appears whereupon the left of your screen, and keeps track of all your operations, fellow feeling a nested format that lets you see how you made a feature. Each sketch and feature, etc, has its own branch bend nodosity in the tree, and if you expand a run, me can see anent what that persuasion is comprised. The depiction tree that appears yet you jib a new reduce to writing under the Part Design workbench. <\p>