[previous configuration]
[up to this 3D shape]
[next configuration]
― Configuration code: RRmDmLUmLvDmUm
- Start from 
 - Rotate Both flaps towards the front and against one of the tiles forming the hole
(the front flap is rotated 90 degrees, the back flap is rotated 180 degrees)
 - Change the hinging side of both pairs of stacked tiles
 - Open in the final shape