- Q: How to use 12 Pentominoes to cover a cube ?
- Rules: The cubenet must be assembled by 6 congruent shapes , and the 14 vertices of all cubenet superpose with at least one unit square's corner.
- Hints: Try 4460 pcs of 10-ominoes ( no hole ) to connect a cube net and then tiling with 12 pentominoes.
- A: I have found
3 shapes by now. If you find the 4th shape , please send
me an E-mail: proteon@ms51.hinet.net

- Similar question The pentominoes cover a closed surface by my friend Livio Zucca .
- Similar
question by Solomon W. Golomb "POLYOMINOES"
revised edition , P.136
**Appendix B**Problem Compendium 23. - There is an answer Solve problem 23 by Gerard Putter and his mighty Universal Polyomino Solver .

- The first shape is "Z" .
- It is easy to cut and paste for children.
- The total solutions Note 1.1 "Z" shape

- The second one is "Duck" shape.
- The total
solutions Note 1.2 "Duck" shape

- The third shape is a " Left-hand Gun ".
- It is difficult to connect them.
- The total solutions Note 1.3 "Left-hand Gun" shape

這裡有第 4 至 12 級多格骨牌圖樣列表。

List of polyominoes of order 4..12

這裡有第 1至 17 級多格骨牌圖樣列表，及佈滿平面之圖樣，且詳細分類刊出。

Polyomino tiling of orders 1 to 17

以下是本專題得以完成之最大功臣，在此特別致謝。

這就是12片彩色「五格骨牌」，求解JAVA程式，趕緊進去瞧瞧吧！

- Fig.D copyright by Vincent's pages the excellent one and very much thanks !

- (piece no.) difined by "Gerard's Polyomino Solution Engine" Solve 66
- (6)(7)(8)(10)(11)(12)(13)(14)(15)(17)(19) can folded to cover a cube.
- Reference: "POLYOMINOES" revised edition by Solomon W. Golomb , P.11