Answer
- Create a six pointed star, and modify using Live Corners.
- Object > Expand then add new fill and stroke
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Ungroup the shape, and remove the centre line path that’s left over.
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Edit > Copy
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Edit > Paste in Place
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Object > Transform > Rotate, enter 30 degrees, and rotate
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Select All (CTRL+A)
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Select the Shape builder tool, and carefully merge the shapes so that one goes over, and one goes under the other.
Attribution
Source : Link , Question Author : J86 , Answer Author : Billy Kerr