Hello i make a last structure bsp for the project, but when he opened and make the box vat all good, but when I gave him to convert into editable mesh and select the box to remove the above with the option to flip and then hide, I have so I do not see the ground and another thing to I want to select the box but not all flip to the left give the floor but when I let you select all and then flip and go give the following
before selecting the box and give flip
to select the box to give flip
click in flip
by giving the option to click Hide
