Olgeta wol eria 29.15 m²
Windo eria 0.96 m² (1 pcs)
Eria bilong dua 1.52 m² (1 pcs)
Wol eria we i gat ol dua na windo 26.67 m²
Perimeta 11 m

Eria bilong wanpela rol 5 m²
Longpela bilong ol kenvas 2.8 m
Ol ful kenvas insait long wanpela rol 3 pcs
Samting i stap yet long wanwan rol 1.6 m
Namba bilong ol kenvas Taim 2.8 m ~18 pcs

Mi nidim ol wolpepa rol Totel 6 pcs
Ol kaikai i stap yet 3.33 m² o 0.67 rol