tag:blogger.com,1999:blog-7408525737943998966.post3968447342906228612..comments2024-03-19T10:21:36.942+00:00Comments on Gabriel Fernandes' Puzzle Collection: FortressGabrielhttp://www.blogger.com/profile/00547574234341454265noreply@blogger.comBlogger1125tag:blogger.com,1999:blog-7408525737943998966.post-16032453470804266922020-02-05T15:21:05.163+00:002020-02-05T15:21:05.163+00:00This is just like Sonneveld's Three pieces bur...This is just like Sonneveld's Three pieces burr, an exchange in IPP 2000, with an extra cubie attached to one of the three identical pieces. The coördinate motion to assemble is the same; the cilindre is extra. Theo Geerinckhttps://www.blogger.com/profile/01871236421156772421noreply@blogger.com