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I need to draw 10 circles between 1 and 2 (figure 1), keeping same width as the circles own stroke have (10 pt). But if I apply blend that produces some gaps (figure 2) which I do not want.

How can I draw 10 circles(each need to be 10 pt stroke width) between 1 and 2, and no gap will be there.

Thank you.

enter image description here

enter image description here

4
  • Just out of curiosity why would you blend in this case?
    – joojaa
    Jan 16, 2022 at 12:02
  • Joojaa what option do I have without applying blend? blend- steps- I applied this one. Jan 16, 2022 at 12:04
  • I presume the strokes will be of various colors (or weights) after the blend is expanded...
    – Scott
    Jan 16, 2022 at 12:10
  • @Scott yeah but why isnt that end resukt explained in the question.
    – joojaa
    Jan 16, 2022 at 14:31

3 Answers 3

3

The easiest solution is to start differently....

  • Draw the first circle
  • Choose Object > Path > Offset Path and enter 110pts (10 strokes x 10pt + 10pt for half the stroke width on each the outer and inner circle = 110pts) to get the second, larger, circle.
  • Then create the 10 step blend and there won't be any gaps.

enter image description here

Note the thin white lines you see are not gaps, they are conflation artifacts due to anti-aliasing and the strokes butting against each other.


To correct what's already drawn (Although I recommend just starting over)....

2 circles, 10pt stokes, blend between then 10 steps...

enter image description here

The gap appears because the distance between the two circles is not 100pts. (10pt stroke x 10 instances = 100pts total)

An easy solution is to use the Direct Selection Tool (White arrow), hold the Option/Alt key and select the outer circle. Then switch to the Free Transform Tool, ensure Scale Strokes and Effects is not checked on the Transform Panel, and reduce the size of the outer circle (Holding Option/Alt and Shift) until the gaps are gone.

enter image description here

I expanded the blend to get the individual circles.


9
  • 21 seconds apart 😂
    – Wolff
    Jan 16, 2022 at 12:03
  • 2
    I was makin animations :)
    – Scott
    Jan 16, 2022 at 12:05
  • am about to cry, no way I could make it, wasted hours :@. Thank you Scott <3 Jan 16, 2022 at 12:12
  • Just a little correction. In your second bullet you actually have to offset the path 10 strokes × 10 pt + 10 pt = 110 pt because you have to take the strokes of the two existing circles into account.
    – Wolff
    Jan 16, 2022 at 12:13
  • 1
    @NeverLookBack check new values in the first part of this answer.. use 110pt offset, not 100pt. Wolff is correct.
    – Scott
    Jan 16, 2022 at 12:36
2

As an alternative to using a step blend, it would be easy enough to do this with a 10pt grid, and snap to grid enabled.

Then you could just manually draw the circles with a 10pt stroke until you have enough. Holding down Alt as you click and drag the circles will constrain the aspect ratio to 1:1.

Example

enter image description here

1

The gaps between strokes probably occur because the available distance d between the two circles isn't exactly 10 × 10 pt = 100 pt.

If you want the strokes to be exactly 10 pt, you have to adjust the size of of either circle 1 or 2 so d becomes exactly 100 pt.

Alternatively, if you just want 10 strokes to fit within d, you must make the stroke width d / 10.

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  • Client sends me the rough, and no changes can be made. am drawing exactly like his highness sent. :/ I will send him this. I wasted hours on it. Jan 16, 2022 at 12:11
  • 1
    Thank you Wolff <3 Jan 16, 2022 at 12:12

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