Papercraft corner - printable cutesy paper folding patterns; you can apparently make your own with this Windows app. And please, be careful while using an edged tool. [via Karma Universe]

Update:
Via Google, more papercraft sites (in Japanese, but click around and you'll find some .pdf files):
- 21yamaha.com/mc/papercraft/
- www.paper-craft.net/
- www.venus.dti.ne.jp/~kpd/ (five sample .pdf's at top)