STL file is for stereo lithography and was the file type used for high end rapid prototyping machines for the past two decades.You don’t have to cre...te your own file, there are free and small charge repositories of 3D CAD data that allows you to download and print for your own use. Most of these repositories are for family friendly parts. The author places his adult 3D models in the SEXSHOP3D.COM repository. Step 2: PrintOnce you have the .STL file you want to print, you need a 3D. I didn’t have any other intention for her at that time. Anyways, the day came and she arrived. I went to the airport to receive her she was looking beautiful. She came wearing a blue saree and the blue color in her whitish body looked so nice and attractive. We came to my flat and I give her a room with washroom attached so that she can have her privacy.After having our breakfast we had some chit chat about family and all then she decided to take some rest as she was tired. She went to her room. We barely made it to her bedroom before we were stripping each other clothes off. Beth had a skimpy black thong under her shorts and turned to let me see the back view, she knew I loved her ass and her more mature and rounded appearance drove me wild.I ran my hand over her curvy ass as I let my cock point the way to her, it was hard and throbbing and I wanted her oral attention, she had always been exceptionally good at that way of bringing pleasure. I stopped behind her letting my cock slide. ‘Amy, you know that this department has student exchange programs with the EU. I was in Europe making arrangements for students from here to represent our economics department at institutes in Brussels, Paris, London, and Edinburgh. You are the pick for London. You’re going to London for the next academic year.’ Amy stared at Burnside in shock. She had known Burnside for almost two years, and yet the professor never seemed to run out of ways to confound her student. London. A year in London..