so I’ve got this model that i am trying to modify in various ways, like trying to extrude surfaces from it,
but they come out not able to be capped, when i run extrude surface, the whole model is extruded,
i have tried to explode it but that did not work. i tried to boolean difference the model into a cube in an attempt to make a negative cutter to replicate the shape, however, the boolean difference failed.
can anybody tell me how to make an exact copy of this model that i am able to work with?