Printing hollow

Beginner with rhino here! I have purchased a file that I intend to print. It will be printed large. something like 10in in length and 4 inches in width. This file happens to purely be a mesh. It a mesh of a gutted out car. No engine or seats or dash or anything. My question is will this object be printed hollow or solid. I’m aware that it needs drain holes but obviously I’d like to conserve material and empty out the excess powder. Any insight is greatly appreciated.

I take it you mean “3D print”? Additive manufacturing? Not what “print” really means: on a flat piece of media?

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thank you @hanscad this is quite useful. I also received information from another source and I think I got this figured out.

@AIW yes. 3d print.