This case holds 1 or 2 blades it will fi the original blades, 360 blades and "intimate" blades with the white cover 

feel like changing it up go ahead : https://cad.onshape.com/documents/c9b97812110f9178d41aa4ac/v/aaabf9e90546a66bc9fd10df/e/a65b19b793fcf9c51a3c6a26?renderMode=0&uiState=69c01ca3f1225adb930d2a26