250 Cylinder Challenge

12:26 PM, Friday December 1st 2023

Draw a box - Cylinder challenge - Album on Imgur

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Note for cylinder 90-150: Sometimes you'll see a pair of arrows (one red one blue) for the same ellipse. Blue is the one where I use rulers in order to check how far off I was with my initial checking (in which I was eye-balling).

Sometimes ellipse's minor axis is abnormally off than it should be (for example, the far side of cylinder 93). This is because I tried to draw a perfect circle (or very close), to which I failed horribly. T_T

2 users agree
6:07 PM, Tuesday December 5th 2023

Congratulations on getting through the 250 cylinders!

You have good line confidence, generally well aligned ellipses with 2-3 passes, ellipses that change in degree as they get farther away, varied cylinders, and all your lines to check your work. Likewise, it looks like you remember your box work from 250 boxes.

There were some sporadic errors, such as 212, which was round enough for 1 point perspective (it seems you corrected this in 213), or 76, which had a very dramatic difference in ellipse degree.

It also seems like you had difficulty aligning cylinders in boxes that didn't have the corner nearly right towards you, giving the benefit of near symmetry. I had a hard time with these too. The only thing I could think of to do was to draw the ellipse before drawing the plane. I'm not sure if drawing the ellipse first is "cheating." Perhaps someone else has a better idea of how to tackle this. I think using ellipse guides in lessons 6 and 7 helps with this problem a bit. Scott Robertson's book talks about this a bit ( https://imgur.com/a/WUERjtz ). It seems to boil down to creating horizontal bounds, putting the correct ellipse in with a guide, and then fitting the verticals to the ellipse.

However, overall it looks like your understanding grew and you benefitted from trying out a lot of different things. It was better to have the variety and experimentation, complete with sporadic errors/corrections, than it would have been to stick with a few "safe" options. On to lesson 6!

Next Steps:

Move on to lesson 6, and possibly ask on discord how to handle cylinders in boxes that are line up oddly.

This community member feels the lesson should be marked as complete, and 2 others agree. The student has earned their completion badge for this lesson and should feel confident in moving onto the next lesson.
4:47 AM, Wednesday December 6th 2023

Thank you for the feedback! Really appreciate it.

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