Hello, welcome to today's tutorial and our topic for today is reference features. So, what are these reference features that we are going to discuss about? So let's get started. So here we have in feature toolbar, we have the datum plane, the datum axis, the datum, csvs and point. So, these are basically the reference features. So, these are called the reference features because they let you create the reference points or the reference axis or the reference planes, or even the reference coordinates, right.

So, which can be used for constructing all the other features. So, let's do it one by one. Okay, let me just show you one by one. So, for example, let me just choose a point. Okay, so I'm just going to place a point in random space. So x and y when you did like hundred, okay, I'm just gonna get fit.

So now I have my point. You at this particular point, what I'm going to do is I'm going to use a boss which I discussed in the last session. So use a cylinder. So the vectors already there, I'm just going to choose the point here. Okay, so once I choose the point, I'm just going to give a height of let's say 200 okay is going to get fit. Do you see this?

So this particular feature what what do you see here, this so basically we're using the point as a reference to create the feature All right, now just put a cylinder but we can create most of this. So even a spear, a cone or even a block we could specify with respect to a point and the other reference feature that we have here is datum CS wise. So this datum CS wise, it is usually in the absolute position, all right, but that is 000 for the XYZ but how However, if you want it to be in a different position, then you can always specify it or you can either move it manually using the slider, okay? Or so let's say I choose input. And in this input, I would just select this particular two planes, okay? I just search for a plane, like aura datum CS, why is it you need like, three coordinates usually.

Okay, so three selections. So I'm just going to select this, I'm just going to place it here, okay. I can just click on OK. So you will see that the datum C is wise has been created here. Okay. And there are other ways of creating a database wise, but this database virus is of less importance compared to the next one that they can discuss about.

Okay, so the, these two, especially the data plane, I would ask you to try out every feature that then didn't play even though it's going to be time consuming. Try that one. all the possible methods because with this datum plane, all the modeling aspect is going to be very easy for you. Okay? So I'm just going to delete created your datum. And what I'm going to do right now is I'm just going to create some features, okay?

Before we get into the database aspect, okay, let that cylinder state, I'll just create other features just going to put a constraint to the midpoint So this option which I did now is Call the MCs get in Dolan All right. So if you want to hide this more than hide the sketchy just want to keep it as an included feature you can use your can just make sketch external, okay? Okay now I'll just show you these features one by one, okay for the datum plane. So we'll start with the input, okay? So input basically means it in first like it concludes automatically based on what you select okay? So let's say I select this particular face, it's just going to take it automatically if I do that select this point is going to take along that point automatically, okay, so it's just going to infer it accordingly.

So whichever option you choose, let me show you a distance. Okay. So distance is basically like if I'm going to place a chair on whichever plane I place it. It's going to take it from there and it's taking so many planes because I've set the number of pins to five, if you just set it to one, okay, and you can either do a sliding distance You can specify the distance manually here. And you can also reverse the direction. Okay?

And the other option that we have is like, at the same time, like if you want to increase the number of instances, just click on the face then just add the number of features that you need. Okay? If you notice, okay, so here we have equally pleased, okay, so each one at a distance of like over 90 or 200, how much okay. And then the next one that we have you, it is at an angle. So for an angle, usually, we need a planar reference and an access to it. Okay, so let's say I want to create a plane here.

I want it to rotate along the x axis Okay, so what I'm going to do is I'm just going to select the plane here and to the axis I can choose this or I can choose this okay but I would suggest choose this okay? Because the main idea of using a datum plane is that we should not keep it with respect to this aptitude axis. So, every datum which is being created, which should be with respect to the body, that is a good design practice. The reason is because when you modify this particular feature, right, any feature as such, so this plane also would get modified automatically based on the value that you created. But however, if you give it to the respect to the state and coordinate system, then this particular feature would not update automatically, and that would cause a problem. And that is reason, even when you give it the respect to this body, right, so we give this option called it's associative.

So, it's very important that the datum plane is associated with respect to the bone, right? And since I'm giving you the respect to this As my rotating axis, that's a linear object, right? So it's asking what angle you want. So I'm just going to be like 45. Okay, you, you would notice the difference here? Yes.

So if you see this, it's taking 45 degree with respect to this particular option. All right? So and then if the next option that we have here, and also, there's an option called offset here, okay, so in offset, what happens is that, let's say I want to select View particular plane here, okay? So I'm just going to select this planar object and I want to have a particular plane here, but I don't want it exactly at the center, I wanted it to offset distance of like, let's say point five, one or something like that. Okay? So I'm just going to select this as a linear object.

Okay? If you notice it's been created here. Okay. This is my angle, it's taken from your the 45 degree, okay? And if I take reverse direction is going to take it from the other end the angle, okay? So I'm just going to leave it with this and the offset, I'm just going to give it let's say like one, okay?

So since it's not visible much, I'll just try to change that value level. Okay? So let's give it a value of, let's say 10. Okay, you see the difference. So this is the offset distance, okay. And then the other features that we have here is the bisector.

So, bisector is nothing but as the name indicates it's a section between a white section two sections, okay, between two sections. So, I can either have select two planes or select two faces. So whichever of the two faces that you select a plane is going to get created between them. For example, if I need a plane between these two faces, right, so I made one, so I'm just gonna select these two planes, and I'm just going to have over a sector. So do you see that? And a plane can always the size can always be increased, okay?

The size of the plane does not matter really. Okay? As long as it covers the sketch that you want put on the plane, okay. And I'm just going to remove this offset, so it's exactly the center, okay. And now we have a bisector plane. And if you want to use an offset, yes, you can use it.

Either the plane would go from the middle, it would go up, okay. Let me just double click and change it. So I'm just going to do offset. I'm just going to use a distance of, let's say, 10. Okay, so I can offset it would take it up, okay? And if you're not able to notice that you will see this thing here, this is the original one created in total line, okay?

This is a mean plane which was achieved by using the offset. Okay. And then the other options that we have are the closing points, okay. And for the closing points, we do have like multiple options here, okay. So firstly we'll select the curves and points, okay. And I'm just going to this is a particular curve that I have here, okay.

I'm just going to use this particular and I'm just going to give a point, okay. So for the point, let me just give this particular point. Okay. So if you notice Exactly. I'm just going to remove the offset and close it. At this curb, a plane has been created with respect to this point.

Okay? And when you click on alternate solution, you'll be able to see the other solutions. Okay? So you either have it at this point or this point, okay? So this is the solution that you received, okay? The alternate solutions.

And if you reverse direction, it's again going to be the same because we're only checking on the alternate solutions, okay? And if I'm choosing one point, let's say this is my point, okay? So I have my plane here. And if I want to have it, let's say at this point, okay, so you would notice that it's being created here. So it just takes by default, which are the associate end point like that's what it indicates here is associated endpoint is specified. Okay?

And if you want to Like modify rate or something like that, just try to select it, like a different point, okay? It will take it exactly at that point, okay? So you would notice that it's just inferring. So just like, like, just like coming to conclusion. So which point you just kill it, just taking it according to that. See this, so again, if I'm going to like this is going to be a teacher.

And if I'm going to be two points, so we can define it a little more better. So let's say I give this point particular point and I just give this point. Okay, it's taking it like, horizontally, right? So what I'm going to do is I'm just the second point, I'm just going to modify it. I'm just going to use this. So you would notice that this is my first point, and this is my second point.

And it's inferring according to the two points option, okay? So if I'm going to choose a different point, let's say this particular point, I just wanted to Okay, and I'm just going to use an alternate solution, you would notice that it's giving me two solutions, either here or here. And then with respect to three points, so let me just delete all these datum planes that you created. Okay? And what I'm going to show you right now is I'm just going to use the datum plane option. And I have an option called closing points, and this particular option three points.

So this is a very useful tool because you see if you need to define a plane, right? So you need three points, basically the x, y and Zed axis, right? So what I'm going to do is if I need a point exactly, at this particular bisector from this point to this point, I cannot use two points here. Okay. I'll show you why. I just use two points.

You'll see what's going to happen. So I'll give an alternate solution. It's coming this way. Okay. Let's say I want it this way. Okay, the other other way around.

So, there's going to be a refresh again, I'm just in closing points and two points. And I'm just going to select these two particular points, okay? You will notice that that's still not what we need, because the feature that we need is the play needs to start from this particular end and needs to merge at this end, okay. So, for that, what we need to do is delete this there is an option called three points, okay. So we are defining the plane respect to the X, Y and Z axis. Okay, so this is my first feature, this is my second one.

Okay. And then I'll select the bottom one, okay. So you would notice that the three points are being used to create this particular plane. So if I click on OK, you would notice that it's exactly at the points were finding it too hard, okay. Okay, at the exact corners, Now the next option that we have here is point and curve access. Okay?

So let's say this is my point, okay? And the curve axis, okay, I'm just gonna have it here. So let me use f8. So you're able to see it, okay? From this point until here, okay? And if you notice every every datum, which we are creating right now is not with respect to the absolute, it's with respect to the body itself.

So if a change is made with respect to the body, it's going to imply here as well. For example, I'm just gonna show you that. So this particular feature, let's say, or this particular point, we create the cylinder right initially, so I'm just going to modify that point. Okay, so let's say this x is like 50. Okay, so just move the point. And if you notice, the point is moved and even this particular plane is moved accordingly.

Okay? And the same goes with this plane, we're gonna modify this particular body, this plane also will get more effect because it's a very important feature. That's why we leave it associated right? And the next option would be the point and plain face. Okay? This particular feature is less of less use, but yes, I'll just show you okay.

So this is select a point okay and this is the face Alright, so exactly the point and plane object whichever you select to try it similar to like a planar surface kind of thing, okay. It will just create it at exactly that particular point. So, for example, you have a point in random space. Let's say, I just have a point here, okay. And I'm just going to use this particular datum plane and pointed planes Phase, okay and specify the point. Okay, I select a planar object, you see that?

Exactly, it's basically a permanent plane, okay, which gets created. Or if I need to create a parallel to this one, I'll just select this and to just get created there, okay? So whichever feature you want, you can just play with these options. These are really amazing options, okay? And like I said, these are the fundamentals for any modeling aspect, okay. And we cover the closing points.

And the next one that we have here is two lines, okay? So two lines is basically so this plane, it just takes the like, if you see if you notice this particular plane, right, so there are one and two, there are two directions, right? So whichever two lines you select to just want to create a plane using those two lines. For example, let's say I'm just going to use this particular line and I'm going to use this particular line okay. See that just got created on the face itself. Okay?

And you would notice that is almost similar to infer and distance because the feature record is that way, alright? But if not, this particular feature is very useful, especially when you're working on code features. Okay? Like for example, you have a whole which has been created, okay, accountable. I can just show you. So I'll just go to whole feature which is meant to use the general who use the counterbore.

Okay, so let's say I create a particular hole here. If you notice exactly taking in this particular face, okay, so I'm just going to give a normal deface. Okay? Now I'll just show you the options later. Okay? So faces being created, right?

And let's see. Now, this particular feature, right, so I'm just going to create a datum plane which is going to use two lines, okay? So if you notice, I can select this first line, and I can then select any of these particular lines, okay? So you do see this. So this is why we use the two lines option, okay? It's, you might find it a little similar to the other option, but it's a very useful option as well.

Okay, and the next option that we have here is the tangent. Okay, so I'll just delete this so they don't get confused. So the next option that Have you so tangent, okay, so let's say this is my particular face, okay? And I want to create a plane here. So it's like the tangent phase right is just like is going to create like randomly tangent tangent is basically on any code feature, okay, I can either select this Okay, which is going to take the entire tangent phase okay. But since there are three phases, even the system would not be able to conclude as to which one obviously do not be able to infer it.

Okay. So what I'm going to do is I'm just going to shift select that basically a D select option, and then I'm just going to select this particular face, okay? And you would notice that a plane is being created for this particular plane. I want it exactly at the center, okay? So I'm just going to make view it okay. So you would notice that it's being created here, but it's not it's kind of a test center okay.

But just to be sure, what I need to do is there is an option called as UCS filters here. So enabled snap point and point these are basically the filters for selection okay. And these are very useful. So, switch on something called as quadrant point, okay. So this quadrant point will give you the exact center, okay, for example, I just showed without the quadrant point, okay. So, I can just get a point on here.

So point one curve will pick any point along the curve, okay. So you see this. So this particular point, I can just move along, I'll find multiple points, okay. And just go to the selectors. So, since I had a point, don't go on. I'm just going to select this particular random point.

And tangent last q like, Where do you want to define the plane So let's select here, okay? And you will see that a plane has been created, okay? But however, I want it exactly at the coordinate point, okay? So what I'm going to do is I'm switching of this point anchor, okay? And I d select this point and what I'm going to select yours I'm going to select a Korean point here. So you see that it's taken exactly at the coordinate point okay.

So this is for if you want to create any feature normal to this, then the plane needs to be normal to that particular sketch plane. Okay. And then the next option that we have here is one face, okay? So it's again comes on the tangent itself. So firstly, always remember to select the faces which are tangent to each other. Firstly, select this Okay, and then I would select this particular option, which is this particular plane.

Okay? So it's inferred, so by default is just taking this, okay? And if I reverse the direction, it's still going to remain the same. Okay? Because it's taking based on just one face. So we chose faces select, which is going to take us back to that, for example, I'm just going to select teacher, you would notice that it's taking by default, okay?

Just inferring our conclusion. Okay? And if I need to offset it a little, yes, it will allow me to, okay, so how much are the distances if you allow me to do it again? And again, leave it always associated, okay? If it's not checked on, make sure it's checked out. And the next option that we have is through point, okay.

So through point is like, let's say, this particular, I'm just going to pick this particular point. Okay. So this either, so the face which I selected and the point which have taken right, it's taking through that point. So you would know the difference if I change the point. So absolutely this point, right? Let's say I'm going to change this point to this one.

Okay? Or I'm just going to change this point to this. So it's actually taking the respect to this and I'm going to select it here. Do you see that it's actually taking through the point. All right, that is from the initial claim which has selected Okay, so if I'm going to change the plane itself, then I just do shift your shift select is going to select the plane. So from through the point to the planar surface or from the plane to the point okay.

That's always been the two point option. And next the true line option. So it's again going to take the tangent face, okay? And it's asking me, which is a linear object, okay? So I'm just going to select this and always remember this particular feature, it needs to be made with respect to the tangent face, okay? And this offset, ribbon offset, and so exactly through this particular line, okay, it's creating the plane and which is also tangent to this.

Okay, so just be selectors. I'll just give this other linear object series is steady and same thing. And if I need to get the linear object, let's say this particular central axis, okay, if you notice I hit f8. Okay, exactly. Through the line. Okay, it's taking the plane through the line.

So as basically a collinear. This line, the center line is collinear on this particular face, okay. This is a very useful option if you do not understand like why we're using this option. See I can just show two here. Okay, so we're going to create sketch and now I'm going to show you a very important option right now before I get into the datum aspect okay since we are only creating a sketch, so whenever you create a sketch, there are two tips okay. The first tip is always create the sketch from the top okay for example, you want a feature to be created here, never create the feature from here from the bottom always try to create it from the top okay.

And the second tip would be always ensure the z axis is facing towards you, the x axis is the same like towards the horizontal and y axis is on the positive y axis okay. So, when you have this particular feature like this, the XY and Z in this direction, all then it means you sketches perfect Okay, so what I'm going to do is I'm just going to select the plane first, okay to see if it's on the right direction. Okay? So as soon as I select, it's giving me the option, okay? And I think it's wrong, because we see the Y is correct, but how to set an X are incorrect. So what I'm going to do is I'm just going to click on the CSV dialog, okay?

And then I have this plain x axis and point in plain minus point, I'm just going to use a plain x axis point, okay? And that axis is taken by default, which are the plane you select that shaded red axis, but it needs to face you. Okay, the view will basically so I'm just going to view the screen okay. And the x axis, the x axis needs to be on the other side. Okay? So now the x axis correct.

Why is the y's correct? That is correct. Okay. Now, I'm just going to click on OK. Okay, now an object is ready. And what I'm going to do here right now is I'm just going to Create a particular feature here, okay?

I'm just going to extrude it. Alright, and elgu the option is unite, okay? Or if you do not want to use this option you can also give us an unlocked phone if you need it later. So click on OK. Alright. So this is this is basically just a feature that I created to make you understand why we use this plane. Okay, so exactly through the centerline, you created this particular feature, okay, and we can add blends to it later.

All right, and just going to hide this particular plane for now. The next feature that we were discussing about is through object. Okay? I think in tangent, you hear two phases. So this is another feature. Okay, so let's say I'm creating this in the first place, and my second face, okay?

So non planar face like a spherical face. So I'm just going to select, click on the Select second object lecture, okay? You see that? The alternate solution if I just click on it, it sticking with the rest assume this particular circle, the circle of faith is continuous, right? And just the way this cylindrical faces so just taking that into consideration and it's giving you the exact value as to how to define it, okay? So fussy exerting tangent To the Silikal fees in tangent assuming that this particular face is a complete face, okay?

And the other alternate solution is this, okay? So there are three ordinate solutions for this. Alright. And the direction again, this particular direction would indicate which side is cash flow income, but usually this is something I do not focus much on because, anyways, I have the option on the sketch to select my positive Zed axis. All right. All right, and the last option that we have in tangent is angle to plane.

Okay? Again, this particular option is really useful one, okay, so I'm just going to select a cylindrical face, okay. Click on the planar object. So if you notice, again, as I said in the previous option, right, it's, do you see this circle here? It's taking exactly tan attention tangential feature to it. Okay.

So let's say this particular angle I just slide it manually, okay? You would notice what's happening. So it's taking exactly in tangent with respect to the conical face or a cylindrical face which has been created. Okay? So it's exactly taking it, okay. So you can just give the angle.

And you would know in most cases that this, this particular option, you'd find it really helpful when you're working on the rotary components like rotating components, okay? And, again, the ordinate solution for this would be to take it from the top or the bottom, okay? And that's really tangent. Okay, and the next option is through object and point and direction. Okay? So through object is nothing but it's a very simple Okay, I'll just show it to you.

So I'll just have I'll just select a plane again. Some random play, right? And I'm just going to create a particular line here. And datum plane to object, okay? So this particular line which is here, okay, then selector, you'd see that it's getting created exactly through the object, okay. So this particular line where the origin was, is getting created there.

Alright? And again, the reverse direction indicates to face where the sketch will be created, okay? usually keep it in the default direction. Okay? And then the other option that I have here is the point in direction. This is my most favorite option because he, in this particular one, the true object right here we'll take it exactly Normal.

Normal means perpendicular Right. So this plane will be created perpendicular to the line. But however, if you're taking it through, like the point in direction, right, so this point in direction would be this particular point. Okay? It's taking, if you see it's taking the direction, normally, right? But what if I do not want it to be normal?

I want it to be in a different vector. So what I'm going to do is I'm just going to use a negative y axis, okay? The y z axis. So so this is the plane, which I would I want, okay, if you notice, it's not normal, it's actually facing downwards. Okay, so if I create a feature from here, it would be created, like even if it's a cool feature, or any normal extrude option, right? It would begin exactly from here, right?

And if you want to understand this difference, see I can go ahead and create a sketch. Okay. Let's say first of all this particular object, and I'm just going to show you this option again, okay? Because very important option, select the csvs. Okay? So, here you see that it's, this is my face, okay?

And it's asking me which is my Zed axis, my Zed axis should face towards me, okay? The x and y, okay, in case x is not selected here, then select the x using this particular one, one of the data maps from CSV. So you can even select it using your linear objects, okay, linear lines. So I'm just going to create this. From this particular point, I'm just going to create a circle. Okay.

And what's gonna happen here is, let's say I'm going to extrude again. extrude And lastly, the vector along which vector should move? So I just give this particular vector, okay? And do you see that unable to create body or change the section. So what I'm going to do is I'm just going to do festers. So I'm just going to select this particular curve, okay?

And this particular feature which is here, right, and I need the direction here, so this direction, the selecting directly, I'll just give the define the vector the law, okay, I'll just select the input vector, and just click on this just give reverse direction, because needs to be this way. And if you notice here, you'll be able to see that particular job because the distances one is not exempt is going to extend the distance. Okay? Okay, and simply gone, okay? And if you notice, here is your difference. Okay, so this video feature is created exactly from here if you see this particular body starts exactly from the plane surface, right?

So this is a very important observation that you need to me, okay? So if not this particular datum plane, right? So let's say this particular datum plane was created, like not with the specter, it's going to get created with a normal vector, okay is going to get within four vector, okay? It's going to be this way then you would notice that this particular feature is getting created from the top. Alright, so I see this is how it is now and if I'm going to do a control that it's going to be this way. So I hope you understand the difference now.

Okay, so this is a very important feature especially when you're creating a group or you're creating subtract option after a trim body option. This is a very Important option you need to keep note, okay? And the next option that I have here is in pointing point in direction is done. Okay? And on. Okay?

So this again is the same thing Okay, I'm just going to click on the path, but how will go the difference between this one and the true object is that here I have the option of moving the Auckland. Okay, so from whichever point it starts right I can just give the Auckland manually. So let's say this particular Auckland is like 25 right so I'm just gonna, like move to like 55 Okay, and if you can, okay, so it's taking along the Auckland. Okay, it's just like this Pythagoras theorem, it's taking the voting is kind of thing, but it's really helpful. Okay, and the next option that we have here is the y seas at sea plane and this is a regular plane, okay, just three devices at sea doesn't take electricity. fault, okay, and this is like z.

So just going to take that one by default. So along these particular planes, and then the option x, z y, z. Okay, so just gonna take like XC and yc. Okay. So I hope this was very helpful for you to get to know a lot about datums and other features that we discuss, especially the sketch option as well. Okay.

The next option that we have here is the datum axis, okay? So this datum axis, I will show to you in the next class, all right, along with the other options. And that's it for today. Thank you.