3D Hubs - Airbnb for 3D printing
Zazzy - Design and sell your own 3D printed jewelry
Shapeways - Shapeways - 3D Printing Service and Marketplace
Back Market - the refurbished (super) market
i.materialise - i.materialise is an online 3D printing service, community and marketplace.
Mirraw - Get all traditional Indian Clothing like Sarees, salwar suits, lehenga, jewellery, Kurta, sherwani and more on one place at best prices with free shipping for India and low cost shipping for USA, UK