Well I found some Jpg files for you hope it will help you to design your own elevator.

http://th04.deviantart.net/fs70/PRE/f/2012/107/2/5/elevator___office_apartment_building_2_by_cr8g-d4wikj2.jpg

http://www.3drivers.com/upload/iblock/388/elevator02-c-01.jpg

http://preview.turbosquid.com ...

Well i think you need the best quality Graphic card, and for your laptop I think Core i5 will be best but without a good graphic card you cannot work on your desired software.

WOW its awesome design, you have a good creativity mind. Because all design is good but everything in the home looks very conjunctive. Anyhow good work, keep it up.

Awesome work, man you done great job. I am impressed from your design, because its perfect and there is not mistake. Thanks for sharing.

WOW that is awesome design. i love them specially those chairs are looking like real. You done great work man, please share more work like this. Thanks