About adding custom bounding box to crop the desired areas

[pechpo]

Hi developers, thank you for this great software.
When I use meshlab recently, I find it hard to customize a cube and remain all the vertices and faces inside this bounding box.
Is that possible to localize the bounding box of certain object inside a 3d reconstruction result, while maintaining the positions of all points (i.e. no transforms or rotations)? Later, the bounding box can be used to another refined 3d reconstruction scene, which is similar to the original one, thus the bounding box is reusable to extract the desired object.