Craftbot - Complete 3D printing solutions
RetailMenot - The RetailMeNot mobile app allows you to find deals on the go for both online shopping and in store shopping.
MyMiniFactory - MyMiniFactory is the world’s leading curated platform for 3D printable objects.
Slickdeals.net - Slickdeals: The Best Deals, Coupons & Discounts on everything
Thingiverse - Thingiverse.com is the place to share digital designs for fabricating real, physical objects.
Honey - Honey is a browser extension that automatically finds and applies coupon codes at checkout with a single click.