Shapeways - Shapeways - 3D Printing Service and Marketplace
Prices in China - Prices in China is a shopping app by Krochix that provides features through which you can buy smart devices on wholesale rates as well as can compare products to find the cheapest one.
3D Hubs - Airbnb for 3D printing
Combyne - Get dressed on your phone.
i.materialise - i.materialise is an online 3D printing service, community and marketplace.
TheTake.ai - The next evolution of product discovery