Generally speaking, I started the currently line drawings craze on this website. Don't believe me? Check out my earliest line pic. It's dated November, 2006. However, while many of my techniques are being employed by lots of folks, there is one technique that just has not caught on: Making 3D pointed figures by way of the pentagon.
First of all, for all my line drawings, I always started them on the white background. But the trick here is to go to the black background first and pick the color that most resembles that background. Then, you use that color to draw your outline. Why? Because the black background isn't black. It's actually a very dark gray.
Okay, so the pentagon is an interesting shape to use with the line drawings because you have to split it in two. So really what you're using is two really whacked out rectangles put together.
With the pentagon drawing, you have to draw each side separately but equally. So that means, you want both sides to be the same length.
Then, right where you left off with the first line, you continue that line on down to the bottom. One important thing to remember is that the bigger you make the angle of the lower line, the more curve you'll get in the line. And that works for any line drawing.
Then just rinse and repeat. Like the other two opposite lines, you also want to keep these two lines equal lengths as well. It makes the picture more symmetrical.
Okay, now I changed the color of the second layer just so you could differentiate between the two layers. Basically on the second layer, you're doing the same thing you did on the first layer, only your first line gets longer. They always start at the tip in the middle.
And then, just keep on doing what you have been doing. Eventually, you won't need to do much with the lines b to d and c to e. You have to decide when you want to stop using those lines. It all comes down to this question: When the curve complete itself?
There's only two things left that you need to know. One is that when you're drawing your pentagon, you want to make the outer lines (the first layer) darker than the ones in the middle. That helps with the 3D appearance by making it look like the sides are disappearing back into the darkness. And number two, when you get done on the white background, you make sure that you remember to switch over to the blackish background before saving your pic.
And as I demonstrated in this pic, you can use the pentagon shapes with any other sorts of line drawings. :)