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-- card: 54092 from stack: in -- bmap block id: 54472 -- flags: 0000 -- background id: 2808 -- name: hexpac -- part 4 (field) -- low flags: 00 -- high flags: 2000 -- rect: left=266 top=40 right=286 bottom=467 -- title width / last selected line: 0 -- icon id / first selected line: 0 / 0 -- text alignment: 0 -- font id: 3 -- text size: 12 -- style flags: 256 -- line height: 16 -- part name: -- part 5 (button) -- low flags: 00 -- high flags: A003 -- rect: left=357 top=290 right=312 bottom=457 -- title width / last selected line: 0 -- icon id / first selected line: 0 / 0 -- text alignment: 1 -- font id: 0 -- text size: 12 -- style flags: 0 -- line height: 16 -- part name: Continue ----- HyperTalk script ----- on mouseUp go to card "transform" end mouseUp -- part 6 (button) -- low flags: 00 -- high flags: A003 -- rect: left=194 top=290 right=312 bottom=294 -- title width / last selected line: 0 -- icon id / first selected line: 0 / 0 -- text alignment: 1 -- font id: 0 -- text size: 12 -- style flags: 0 -- line height: 16 -- part name: Review ----- HyperTalk script ----- on mouseUp put 1 into variable repeat 6 put "hexagon" & variable into animation go to card animation wait 20 add 1 to variable end repeat go to card "hexpac" end mouseUp -- part contents for card part 4 ----- text ----- The repetition pattern shown here, in which every alternate plane has the same relative position of the spheres, may be described as A,B,A,B,A,B, etc. The overall structure is called hexagonally close-packed. There are close-packed planes in one direction only and there is a three-fold axis of symmetry at right angles to those planes.