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Ožraná kostka
"Ožraná kostka".
Velká kostka, skládající se z 3x3x3 malých kostek, kde jsou všechny rohové fuč (je jich 2x2x2).
Volné rovnoběžné promítání, kde úhlopříčka podstavy je rovnoběžná s průmětnou.
M. Reška