Hello friends, welcome to my session today we will learn about we already learned some commercial This feature will continue on we are completed dimension constraint. So today we will go through that with creating a new sketcher Okay. So as explained before, we start with creating the working directory. So, click on the File Manager select the folder for the working directory, click OK and then start with the creating a new sketch. knew this dude's name these picked three types for loving geometry, the candies highlighted openings, shared cross loops. So, whenever we create a skate in creo the bridge should be closed for some commands.

For example extrude command, this case should be closed. It should not have any openings and there should not be any overlapping geometry. Okay No in this rectangle is closed is closed we cannot identify it or we can identify it if it is really close because sometimes there might be overlapping geometry on these lines then it is not closed okay. So, it is big if you switch on the shade cross loop it shows the shaded area the the closed area shows is shaded by looking at the shaded area we are sure that the skate is closed okay. For example, as I said before, if it is overlapping geometry then you does not show close to one on this rectangle. So, see now it does not show shaded area because this is closed but it is overlapping.

So overlapping geometries are not allowed okay. So, the feature or the scale you can say that it is not closed there might be a problem which is not visible by looking at this case you can identify where is the issue, okay. Then you can make use of overlapping geometry. So, click on overlapping geometry overlapping geometries highlighted red. Okay, you might have thought Why these three lines are red, because there is only one overlapping geometry here. But this geometry or this line is overlapping at the end of this line as well, at the end of this line as well.

That's why it is showing red to these two lines as well. So you can case that there is a problem in this line, right? And then you can check or try to delete the externalize For example, I deleted the extra line here. I select the line and delete the Delete command or right click and delete. So I removed the overlapping geometry. And now my skate is a shaded one tool which we can use it to open it as I said before as well.

When you have to make a feature or 3d feature out of a skate, it should be close feature. There should not be any question It okay how to know that the insert coupon okay because for example, if I delete one line out of it, let's try the insert same as other aids there are there is no highlighted thing to understand that it is opening. So, I just hit on the opening then I showed a desert opening made this I took a very basic example okay but these features are very helpful when you have a complicated sketches. In those complicated sketches, it is impossible to identify by your eyes which ends are open or where is overlapping geometry or why this sketch is not close and it is really impossible to identify Take one more example. Create a semicircle. The diameter or the radius will be similar same circle of radius dimension tools to give the radius silicones outside do the dimension to this radius For example, let's give it to five into five.

Okay, now I have to make a semicircle so I create a line between and delete these. I will delete, delete segment command. Okay. So I create a line, straight line Line tool, click line to start point in point button. Now I have to delete these extra lines. So to delete these extra lines, I use delete segment command.

You don't want okay no I create a rectangular feature here. Okay. For example, I double click on the dimension to 10 and then enter. Okay, no no it is not highlighted or it is not shaded one By because one of the age of this key is for laughing or there might be a chance that this case is not closed one to two to understand if this cage is a close cage or not okay I use a shed close to it on why it is not closed because this is a total skate okay but this line is making it or because of this line it is not a single closed loop okay. It is not a single closed cage. So, I must delete this line to identify this loop or This cage is a closed entity okay.

So I just deleted by delete segment command select the Delete segment command and then click on the unwanted lines see now still my closed loop inspect tool is on still it is not close. So what can be the problem? So there is one possibility that the corners or edges are not matched to each other I'm not able to do which which ends are open it so there is an inspect tool. Now use it so I switch on the highlight open aids now you can see a difference See at the edges this is this is saying but this endpoint it is highlighted it means it is open because by by our Visio visualize you are not able to look at look into it, okay. So let's zoom it control and then drag the mouse drag it more it is not closed and because of that my skate was not shaded.

So these kind of things in the complicated sketches is not easy to understand or it's not easy to visualize by your eyes. So this inspect tool will help you So now Now I have to close this close this loop. Okay I use a corner command. We already seen this command in the past the corner Command C is a corner command and then I select the age of rectangle and a semicircle. To close it select the corner select the rectangle age and select the semicircle. Now it is closed.

Let's try and zoom it as much as zoom. There is it is closed. Okay, so now it is shaded one. No, in the background I created some lies overlapping to the existence cage. That's why now my sketch is not shaded or now we have to identify which lines are overlapping one, okay. So which is the command we can use overlap inspect to select on the overlap inspect tool.

Now, my every line in this case is raid one. Okay? So there might be two or more lines which are overlapping. So we have to just select and try to delete it. For example, delete segment and delete these. No, it was only one line so I'll just create one more line.

I try this one. Yeah, so here it was two lines. So let's try No still the red sky is not faded one possibility. This no this is not because then this wouldn't would have been also read so There's a possibility that this cage or this three circle is twice so let's delete it. Lick it Yes. Yeah, this way you can use inspect tool to inspect your sketches This is more useful when we create complicated sketches further, we are going to create the sketcher practice and then it will be more useful.

Now, we learned about sketching at constraint dimension inspect these tools are useful while creating a sketches Okay. Now, in that house or in in sketches, there is a central line point and coordinate system in sketching as well in that term. So, in terms this will be useful in a part modeling so we do not use these centerline points. coordinate system we have to use in sketching okay first capture the centerline, these datums we will use in a part modeling okay. So these commands are hidden no hidden this useful for part modeling. This is feed command.

This is zoom in zoom out zoom. This is to show and hide dimension and constraint. For example, display dimensions. I'll click on it the dimensions are off display constraint OK, now we are ready to start the sketching exercises. So that's all for today's session in the next session, we will start with the sketching exercises. All the commands which we have learned until now will be useful in skating exercises.

So, that's all for today. Have a nice day. Thank you and let's meet in the next session. Bye