Right.
So we're going to look at Modify.
Now, this modify panel we've already learned about creating about drawing basic objects and creating
basic items so we know how to create.
Okay.
And I'm just going to put some I'm just going to put a rectangle there and we understand some basic
concepts, but what about modifying a lot of what you do involves modifying existing geometry, whether
that's changing an existing model or drawing or creating a new one.
But the way we tend to work in AutoCAD is.
If you're working in a similar industry, there'll always be a drawing or a lot of the time there'll
be a drawing similar to one you're going to create.
So rather than starting from a blank canvas, a lot of the time it's easier to grab an existing object
and modify it to your needs.
And modifying is one of the main skills to know in AutoCAD in any CAD software.
So we're going to look at the basic modify tools here.
And in this beginner's course, we're going to go over the ones that you're going to use more often.
There's lots of tools in AutoCAD and in all CAD software, which are very good tools to do a very specific
job.
But you might use a small fraction of the time.
Okay, Now when you do need them, they're coming very handy.
But most of the time they just sit there and they're never used.
And when you look at CAD software, you look at all these menus and all these buttons and it's easy
to be a bit overwhelmed and think, how am I ever going to learn all that?
But.
But most of them you don't use the very core commands that you use all the time.
Other ones here and most of the 20% of the commands you use 80% of the time.
So they're the ones you're going to learn most and whatever ones you get to know and the others, you
just bring them in as and when it's easy.
Rather than trying to learn so many commands and getting overwhelmed, just learn the basic ones.
Learn the core ones which will allow you to do most of what you need, probably.
And then just gradually bringing the more advanced stuff as you need it.
That's the best way to learn.
So saying that we're going to learn these basic modify commands here, which are like the building blocks
of CAD.
So these basic tools here, if these basic shapes of a building, blocks of CAD, these are the basic
tools, okay, this is your basic tool bag.
So the first one is move pretty obvious what it does.
It grabs an object and it moves it.
So so again, as with any command, if you're unsure, hover over it, tells you what it does, leave
it hovered over a bit, give you a bit of an example, but I'll show you now you click on Move, we
left Click and it's going to ask us to select an object.
So we left, click an object, and with our mouse set up the way it is, all we need to do is right
click for Enter.
And now it will say Specify base point and remember the base point.
What it's asking for is where should I grab this from?
Okay.
So I want to move this rectangle.
Where do you want me to grab it from?
If you just moving it as we're going to here, it doesn't really matter.
I've got Oh, snap on.
So it's going to snap to this corner, which is fine by me.
I'm going to left click that and now it's going to say, okay, where do you want me to move it to?
And I'm going to say, Here, left click.
And that's the command done.
I've moved the rectangle.
That is a basic principle.
If I undo that, most of the time you want to be a bit more specific than that.
Okay, so.
Let's say we have a circle here.
Okay.
Now I want a circle in this corner as well.
We use a move command.
We select the circle.
We right click Enter.
It's asking for a base point.
So I want it.
I want the center of a circle which is currently on that corner to be on that corner.
So the base point is obviously the center of the circle.
Okay.
That's why it's important when it asks what do you want to grab it by?
If I was to move this circle and just grab it by a random point up here, how would I then be able to
align it in the same place by using the same that as a base point?
Then for the second point to move it to, I can just say.
Put the center point.
And now I've moved it.
So if you want to move it from one corner to another, you can use that corner as a base point and then
drop it there.
Okay.
And that's with oh, snap on.
So oh, snap is used throughout AutoCAD on all the different commands.
Whether you're creating an object, whether you're modifying an object, whatever.
Oh, snap comes in handy all across the board.
And if you were to be moving it and you wanted to move it, say snap to that.
Point and you didn't want it on there.
You just wanted it anyway.
You can turn it off of F3 and now it won't snap.
But most of the time you would be moving it somewhere.
Or maybe I wanted it in the midpoint there or that midpoint there.
Okay, easy.
So by using base points with move, you can do that.
But we can also use the coordinate system and the angles and things like we did before as well.
So I can say move right click, I can select the midpoint as a base point.
And now we've got these highlighted boxes again, so I could type in ten and then there's a distance
tab and now it's just asking for an angle.
Okay, So if something like move, this is what's called a polar.
Input.
It's asking for a distance and an angle.
So that's termed polar.
Okay.
If it was asking for a distance that way and a distance that way, that would be a rectangular input.
It's just a bit of information.
You don't need to remember that.
But that's.
You can see what it's going to ask for.
It's asking now for an angle.
So maybe 45.
Okay.
And that will put it there.
Not often I've done that.
I can't remember a time when I've actually ever really needed to do that.
Most of the time when you're moving objects, you will have oh, snap on and you will be moving them
from a base point to a base point.
Okay.
And that's the move Command.
Now, copy.
Believe it or not, works exactly the same as move, except it's copying rather than moving.
So I know that sounded very simple, but that's what it does.
So let's look.
Copy.
We're going to select that.
We're going to right click for Enter.
We're going to grab that as a base point.
And I want one in every corner.
We've copied because it's copying.
It will carry on doing it.
You don't need to.
Um, let's put them in a midpoint.
You don't need to keep doing it each time.
It will just keep copying instances until you right click and finish a command.
And now you've got all them copied.
Okay.
Now they are all separate objects.
So if you were to then change the size of this one, there weren't they wouldn't all change.
They are individual independent objects with copy.
So I'm going to I'm going to undo them.
And by the way, to delete, what we usually do is select the object and press delete.
But there is a delete button sometimes you might want to click on Erase.
And click an object like that.
Okay.
Why would you do it that way?
Some people just prefer it.
Especially when you've got multiple objects and you're selecting a lot of objects.
It's just preference, really.
Um, let's suppose this box.
Actually, I don't want it that way.
I want it orientated.
If that's landscape, I want it kind of portrait around that corner.
Rotate.
So the rotate command works much the same way we left.
Click an object right click when we've selected because you can do it with more than one object.
So you will select your objects.
And if it was multiple objects, you'd select them all.
Then right click and then right click is enter.
Meaning I've made my selection and now I want to continue the command.
So Bass Point is, in this case in rotate, the bass point is the point.
You want to turn around again.
It'll make more sense when you see it done.
So left click that corner and now you can turn it.
And with rotate you can type in an angle.
So I could type in 90.
Okay, enter and it will rotate it.
In this case, it's rotated it that way because of where my mouse is, but most of the time.
Or a lot of the time we've rotate.
What we tend to do is if we want to do that, we just turn off on.
Remember ortho is this restricting to right angles, horizontal or vertical?
Well, if you turn it on, it will only let you go right?
Angle.
So if you're rotating, it will only give you that option.
Okay?
But you can type in 45 and it's gone around that way if you wanted to go the other way.
You could type in -45 and it will rotate it that way.
So you can type in the angle or you can use your cursor and that's rotate.
Okay.
Um, offset.
Offset is a command we use a lot, especially when you're creating things like architectural plans.
I'm going to draw.
I'm going to pretend I'm drawing a bit of a building.
Okay, So.
Let's say we're well zoomed in at the moment.
So this is small scale, but let's just say this is 50.
Okay.
So I'm doing a line 50 and then 100.
Okay.
So I've got that line there.
It's it's going 50 that way, 100 that way.
Again, it doesn't matter what working in at this point.
It doesn't matter the units.
It's just it is just units.
It's just a general example.
This line is going 50 that way, 100 that way.
What I want is a double lines.
I want to I want it like a wall with an inside and an outside.
Okay.
So rather than trying to draw a line that follows it and is a correct dimensions, all you need to do
is go to this command here, which is offset.
So you left click that and it's going to ask you first specify a distance.
So I want to offset this, let's say five units.
So I'm going to type in five enter.
And now I have it's asking me to select the object.
I want to select this polyline.
And because it's a polyline, it's selected the whole thing.
And then it just needs to know the side.
And I can select that by moving my cursor.
So I'm going to select five that way and that's it.
So it offsets the object and it is again like copy.
It is a new object of itself.
It's just a way of creating it.
Offset is a lot.
It's one of the main commands.