But sir apni first e 3c.m akta dart niyecen side e Ebong armhole niyecen 1.5 c.m jokhon 1.5 c.m dart side e dewa hooce tokon side 3 cm sate armholer 1.5 add hoye dart er Jatha 4.5 cm hooce abong total volume add hooce 1.5 cm.Ebong side e 3 c.m abong excee 1..5 total 4.5 c.m hooce tahole dart er width hooce 0.75 c.m.actually i am not clear this dart.