Hello everyone,

i am very new at 3D printing! so please keep this in mind. i have a STP file of a peace of equipment and all i want to do is scale it down print the outside. but when i try to print it treys to print all the insides and the housing get to thin and collapsing. Is there a way of making the entire thing a solid with nothing internal. All i am trying to do is make a scale model of the equipment. PLEASE HELP!!
Capture2.JPGCapture.JPG