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Topic : "Drawing Cube that you hold in your Hand" |
Harry Potter
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Joined: 09 Jan 2003
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 Posted: Thu Jan 09, 2003 12:32 pm |
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Hi, I have a little problem with drawing.
Take in your hand box/cube/rectangle and twist that obect in space and draw as it appears. I have a problem drawing my box. It looks distorted. The main problem I see are angles of the box. Each angle is made out of 3 lines. I always get messed up drawing the angles. What I see is that 2 lines form right angle and the 3rd line goes somewhere else ? Am I right ?
How can I properly draw my box in the space from different points of view ? Lets say there is no perespective(because object is very close to me) |
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AndyT
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| Posted: Thu Jan 09, 2003 12:57 pm |
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If you want to draw form observation just try and make corrections until it looks right. Try to figure out why it looks wrong.
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| What I see is that 2 lines form right angle and the 3rd line goes somewhere else ? Am I right ? |
I don't get that 
You mean an isometric view? Go for the two point perspective. You'll need it if you want to draw it from any angle. An isometric view is only possible if you look directly at a side of the cube afaik.
If you don't want the cube to look distorted you have to choose the eye level and the vanishing points correctly.
Link
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atomicmonkey
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| Posted: Thu Jan 09, 2003 6:18 pm |
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| Lets say there is no perespective |
Hmm, i think this is yer problem dude. Get a perspective book and more importantly draw that cube a hundred more times... and you'll notice yourself understanding it more. After that draw it another hundred, and another. Practice is the only way. |
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Harry Potter
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| Posted: Thu Jan 09, 2003 8:04 pm |
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I have excellent books on perspective
Try to draw the cube without perspective, that is a whole point. You see, the object is close to you + the object small, thereofore you can neglect pespective.
Using perspective, I would have to use 3 point perspective, worry about line of view, vanishing point, and many other things. |
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Harry Potter
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| Posted: Thu Jan 09, 2003 9:22 pm |
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this is good example, #2 Placement Position in Space[/img] |
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AndyT
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| Posted: Thu Jan 09, 2003 9:35 pm |
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You can try to copy what you see accurately without worrying about perspective.
Cubes like in point 2 Placement ...
Shouldn't be that hard ... and I think there aren't neccessarily right angles.
Just look which lines are parallel...
But what's the point of this? Eventually you'll have to learn about perspective. I don't think what you do is worth practicing ... better spend the time reading that book. What kind of answer do you expect? There's only "try again" or "learn about perspective..."
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eyewoo
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| Posted: Thu Jan 09, 2003 9:38 pm |
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Harry... what's your wand for...? pick it up and wave it... it'll all become clear... 
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Jin
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| Posted: Fri Jan 10, 2003 2:18 am |
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| Harry Potter wrote: |
Hi, I have a little problem with drawing.
Take in your hand box/cube/rectangle and twist that obect in space and draw as it appears. I have a problem drawing my box. It looks distorted. The main problem I see are angles of the box. Each angle is made out of 3 lines. I always get messed up drawing the angles. What I see is that 2 lines form right angle and the 3rd line goes somewhere else ? Am I right ?
How can I properly draw my box in the space from different points of view ? Lets say there is no perespective(because object is very close to me) |
Hello, Harry Potter!
You didn't know it, but you're partially responsible for the name of my website, PixelAlley. My youngest grandson had been reading Harry Potter books.. loved 'em.. and while his Mom and I tried to think of something to go with "pixel", he continued describing parts of the stories and all of a sudden the word "alley" caught my attention.
So.. thank you!
About drawing angles and cubes (no perspective):
Draw a cockeyed "V" and you have one of the angles, the basis for your rotated-in-space cube. Now, since you're not drawing in perspective anyway, draw a line beginning at the tip of one side of the "V" and make it parallel to the line on the other side of the "V" and the same exact length. Now you have all but one edge of one side (one plane) of your cube. Draw a line to close the side. Now you have a rotated square, one plane of your cube.
To complete the cube, you need to copy that plane but move the copy back or forward the same distance as the length of one of your first plane's edges, and at an angle, either up or down so the two rotated planes form the front and back planes of the cube. This up or down angle will be determined by the rotation and slant of your rotated plane, which was determined by the cockeyed "V".
(Before this is over, you'll see how it all fits together.)
Once your second plane is positioned, mirror it to form the third cube plane, positioned to your right, connecting the first and second planes. Make a copy of the third plane, and move it to the left and either up or down, until it fits between the first and second cube planes and is directly opposite the third cube plane.
Now four sides of the cube are completed. All you need now is a "top" and "bottom" (which may be not top and bottom, actually, depending on the rotation of your cube which was, remember, originally determined by the cockeyed "V", however you happened to draw it).
Now class, is everthing clear?
Thank you. I expect your homework promptly when class begins tomorrow.
Here's an especially crummy drawing, to go with the instructions:
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Harry Potter
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| Posted: Fri Jan 10, 2003 12:02 pm |
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Excellent Jin!
Check you saving accout tomorrow, I will add 4 zeros. Dont forget I am Wizard ! |
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Jin
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| Posted: Sat Jan 11, 2003 6:39 am |
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Harry Potter,
Did that tutorial actually make sense to you? If so, I'm delighted. I thought it might at least give someone a chuckle (or a yawn), so if it helps you a little, that's great.
I'll happily accept the check, especially with lots of 00000's and give a small portion of it to my grandson so he can buy your next book and see your next movie.
Just mail the check to  Jinny Brown, care of PixelAlley.
Happy Cube Making!
Grandma Jin |
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Harry Potter
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| Posted: Sat Jan 11, 2003 4:27 pm |
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Yes, sure it helped a lot. Thank you !
yesterday, I got myself very good book called "Architectural Drawing". It is filled explanations and exercises on ParallineDrawings, Perspective and other usefull stuff. |
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