想自己动手制作一个像下面这样精美的日历，而又不知如何制作吗？不用怕， 网上这种免费的服务还是有的。
Hints for calendar on a rhombic dodecahedron
- Print the calendar on regular A4 paper (80 g/m2).
- The rhombic calendar will not fit on American letter paper :-( It will fit on American legal paper, but then you have to cut off the extra paper.
- Cut each of the three sheets into 4 smaller sheets, one A6 sheet for each month.
- Fold each piece into a rhombic unit as shown below.
- Join three and three rhombic units as shown on pictures below
详细请登陆网址：http://www.ii.uib.no/~arntzen/kalender/, 并下载所需的PDF文件！
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