Bits&Parts is a puzzle chair that uses small 3-D printed parts to build affordable, time efficient furniture. This isn't just 3-D printed flat pack furniture, though. Each chair is designed to be printed out and then constructed out of an array of jigsaw-like bricks. And the design is surprisingly stylish: for around $30 bucks worth of material, you can download the plans and construct a chair that looks every good as a Verner Panton classic.