Assume I am dumb as a stump cause it's true. I have several sets I love-- the Mars series and more sci-fi housing by that merchant-- none of the doors open. The sets would be 100% more useful if they did. I have no modeling skills or modeling program. No talent either. Hey, I'm honest. If it's dead easy or even close, I might be able to do it. Can someone help? Remember you are talking to a virtual blonde here-- heavily sedated as well. Emily