There's many ways to create vents, holes, indentations, and other kinds of features on our panels. One way is to sculpt them by hand, like we did with the air intakes, not the clavicles. That works well for openings that have certain sculptural form, but what if we want to do something more precise? In this video I'll show you a way to use slices to cut vent holes. So what I want to do is make some vents in the upper torso. So let's Alt+Click on this subtool to make it active. I'm going to hit F to zoom in on it.
And let's also turn on the transparency, so that we see only the active subtool is fully opaque. Now, let's switch to the slice curve tool. BS and let's just click on it here, slice curve. Now the slice curve is going to cut new poly groups. So let's turn on the poly frame so we can see those groups as we make them. Shift+F. Okay, let me zoom in a little bit here. So what we're going to do is make three vents on each side. So one right here, another one here, and another one down here.
And I want the vents to be separated. So that they don't follow all the way across the middle. So first thing I want to do is click and drag out a new curve. So I'm going to hold down Ctrl+Shift. And let's click and drag. And let's make a straight line. Not quite in the center, right here, but a little bit off to the side. And release. Now one thing about this slice curve. Is that it does not work with symmetry. Even if you have symmetry turned on. It's not going to work symmetrically. And that's fine. Once we make the vents on one side of this, we can mirror it over to the other side.
Now we need to define slices around where the vent opening should be. So let's start cutting them. And one thing you could do is hold down Ctrl+Shift and draw a slice, and let's say you want the vent to come down to about here. Now, if you release here, what happens is that it only cuts exactly where you drew that line. And so it's not actually going to create a new polygroup on either side of the line. So the way around that is to undo that, Ctrl+Z. And let's draw another line and make sure it crosses past the boundary of the object. We could hold down Space bar if we need to reposition this.
And release Space bar and then we can continue to draw that line. Let's put it right about here. Now we get a polygroup on each side of that cut. Okay, let's draw another line for the other side of that vent. So Ctrl+Shift, click and drag. And I like to draw this one close to the original one. By holding down Space bar, I can kind of move it an make sure it's the same angle. And then once I'm sure it's the same angle, then I can move it back a little bit. Alright, looks good. Alright, it's a very similar color, buy you can slightly tell it is a different color here. So, yep, it made a different poly group there.
Okay, let's make the rest of them. Hold down Shift+Ctrl again. Let's draw out a line, make sure it's the same angle. And the space between the vents can be smaller than the size of the vent itself. So something like that is good. And then just repeat over and over. Draw out the line, hold down Space bar to move it. Make sure I get about the same thickness of the vent. Looks good. Just keep repeating that. Now we need to make the gap between the two vents. Looks good. Same thing again. And here for the third vent.
Alright looks good. Alright so I don't want the vent running all the way around the body of course. So I want to hold down Shift right here to make sure I locked my top view, and what I want to do is draw some lines that define where the vents should end go ahead and hold down Ctrl+Shift. And draw out a line here. Now this time I can actually have the line not entirely go all the way through. So if I just have it come out to here, then it notices that it should make that a new separate polygroup. So I want this vent to end at a different location than the other one, you know, I don't want them all to end on the same line.
Just a little design decision of mine. So I want to cut this one through here. And then the last one through there. Okay, so that's the technique for cutting new polygroups for a very precise fansorb. Any sort of details you want to create on these models really. Of course we still need to make the vents. We're going to cover that, next in the chapter
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