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Old 11-28-2004, 11:37 PM
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Basics 101: Class 6 - Drawing Conical Objects

Basic 101: Class 6

Drawing Conical Objects

What can you say about a cone. It’s a cylinder gone bad. It’s a tunnel that leads to a disappointing ending. It holds ice cream and stops traffic. It is simply hard to picture cones—they are, after all, so “blendy”

Here is what Merriam Webster says:

Main Entry: 1cone
Pronunciation: 'kOn
Function: noun
Etymology: Middle French or Latin; Middle French, from Latin conus, from Greek kOnos
1 a : a solid generated by rotating a right triangle about one of its legs -- called also right circular cone b : a solid bounded by a circular or other closed plane base and the surface formed by line segments joining every point of the boundary of the base to a common vertex -- see VOLUME table c : a surface traced by a moving straight line passing through a fixed vertex

De Reyna says that a cone is a solid mass that tapers uniformly from a circular base to a fixed point.

Look for this form first in the object that you wish to attempt. It might be small, it might be big—it will not be shaped like a pig.

‘You will need the following materials.

1. Two lines of any length

2. An ellipses

Demonstration:

Step 1: Begin by drawing your center line.

Step 2: Next draw a horizontal line at the top that crosses perpendicular to the center line

Step 3: Now draw lines from the ends of the horizontal line so that they meet in a single point at the bottom of the center line.

Step 4: Finally at the top, draw an ellipsis connecting the two edges




Ok, you are ALL now experts and have conquered the devious cone. Now let’s do an Ice Cream Cone—the CLASSIC cone:

Step 1: Draw your cone like you did in the first demonstration.

Step 2: Once you have established your cone, start adding the detail. For the ice cream portion at the top, draw a sphere and modify it to look like overflowing ice cream.

Step 3: Finally, add the ridges that surround the cone.

Exercises:

1. Look around your world—both inside and outside for signs of “conage”. Remember that cones will be obvious but sometime you have to look inside—see if you can locate the cone—draw it first THEN build the detail around it.



Here are some pictures for you to try. Feel free to post any other examples. Have fun and happy drawing!
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Old 11-28-2004, 11:38 PM
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Re: Basics 101: Class 6

Here are the rest:

Note from the Editor: This thread continues with the recent posts. The older posts can be found in this closed thread:
http://wetcanvas.com/forums/showthread.php?t=233216
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Last edited by arnoud3272 : 01-19-2010 at 06:08 PM.
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Old 06-08-2009, 05:50 PM
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Re: Basics 101: Class 6 - Drawing Conical Objects

It's been a while since I've had a chance to actually sit down and draw. Here are my offerings for lesson 6.

Thanks
Diane

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Old 06-09-2009, 03:45 AM
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Re: Basics 101: Class 6 - Drawing Conical Objects

Diane -
A remark that pops up regularly: ellipses have no points, no dents, and are symmetrical .
With more varied shading on the cream cone you could suggest the ridges; it looks rather flat now.
The flask is very well done, nice rendering of the lettering .
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Old 06-09-2009, 11:17 AM
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Re: Basics 101: Class 6 - Drawing Conical Objects

Thanks Arnould,

I've made some changes, how are these now?

Cheers.

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Old 06-09-2009, 01:27 PM
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Re: Basics 101: Class 6 - Drawing Conical Objects

Diane -
Quote:
I've made some changes, how are these now?

The ellipse at the top of the (geometric form) cone is still off. The right side is symmetrical on its own, upper vs. lower half. But the left half is not symmetrical on its own, and is not mirroring the right side either. Drawing horizontal and vertical centerlines can help to see it, as well as looking at the drawing in the mirror.

Attachment 441397

Also, there are still some dents or flat portions in it.
The cream cone is nicely shaded, well done .
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Old 06-09-2009, 06:01 PM
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Re: Basics 101: Class 6 - Drawing Conical Objects

Once more with feeling?
This time from scratch.

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Old 06-10-2009, 02:11 AM
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Re: Basics 101: Class 6 - Drawing Conical Objects

Diane -
Yes, much better .
Circles, ellipses, spheres are forms where irregularities are spotted by everyone, it is important to draw them very carefully.
Move on to a next class .
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Old 06-10-2009, 10:30 AM
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Re: Basics 101: Class 6 - Drawing Conical Objects

Thanks Arnoud!
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Old 07-03-2009, 05:21 PM
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Re: Basics 101: Class 6 - Drawing Conical Objects

Thought it might be a good idea to go ahead and do all (or at least most) of the classes in some type of normal order. So, here is my ice cream cone along with some quick sketches of cones in my sketchbook. It IS a bit darker in real life, but of course my scanner changes things a bit. Not much though, so I didn't want to mess with it.

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Old 07-03-2009, 06:12 PM
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Re: Basics 101: Class 6 - Drawing Conical Objects

Charity -
Your ice cone is well done, symmetry is OK .
About the rough sketches, I like how you drew the two symmetry axes to check. But for a good practice, one should not stop there. It is almost impossible to draw a near perfect ellipse (or circle for that matter). But "everybody" sees immediately when an ellipse is not perfect. That is indeed the reason why we must draw them perfectly . But it means that also the artist sees after sketching where it is wrong. So without erasing, you can correct with another faint line, and again and again. Leave the previous lines, they are the hints showing you where it is wrong. Then when satisfied, either erase the wrong lines, or trace the correct one to another paper. Of course, in the case of just a sketching practice, leave it .
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Old 07-03-2009, 08:53 PM
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Re: Basics 101: Class 6 - Drawing Conical Objects

Arnoud-Yeah, my practices looked pretty bad. I spent a lot longer on the ice cream. I'll practice a few more using lines as guides like you suggested and post them.
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Old 07-04-2009, 10:55 AM
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Re: Basics 101: Class 6 - Drawing Conical Objects

Alrighty. I'm close to being tired of elipses again. I spent hours playing with cones and here are a couple of the pages from that playtime. I think I did better on the elipses this time around than on the previous practices.



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Old 07-04-2009, 12:26 PM
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Re: Basics 101: Class 6 - Drawing Conical Objects

Charity -
Well done . I think you practiced the geo form enough Just guard against pointed ends.
Now is the time to draw one or two real objects where you have recognized the cone. You can choose from the photos or find something in your own environment.

Cheers
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Old 07-11-2009, 07:54 PM
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Re: Basics 101: Class 6 - Drawing Conical Objects

Sorry I've not been posting, Arnoud. I've had a house full lately and haven't had time to breathe, much less draw. I'm going to start working on drawing a bit more over the next week, so hopefully, I'll be able to post soon.
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