3D prints With Videos

3D print yourself something big, piece by piece:

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 If you believe the hype, 3D printing means that no one is ever going to need to go out shopping again for that spatula, laundry basket, kitchen table or even gun. But there's a problem. The size of the objects you can print is limited by the volume of your 3D printer.

 Another link for Chopper: Partitioning Models into 3D-Printable Parts

http://gfx.cs.princeton.edu/pubs/Luo_2012_CPM/index.php 

Chopper partitions a given 3D model into parts that are small enough to be 3D-printed and assembled into the original model. Left to right: the input chair model, Chopper’s partition (with a printing volume shown as a reference), printed parts, and assembled chair.

Abstract

3D printing technology is rapidly maturing and becoming ubiquitous. One of the remaining obstacles to wide-scale adoption is that the object to be printed must fit into the working volume of the 3D printer. We propose a framework, called Chopper, to decompose a large 3D object into smaller parts so that each part fits into the printing volume. These parts can then be assembled to form the original object. We formulate a number of desirable criteria for the partition, including assemblability, having few components, unobtrusiveness of the seams, and structural soundness. Chopper optimizes these criteria and generates a partition either automatically or with user guidance. Our prototype outputs the final decomposed parts with customized connectors on the interfaces. We demonstrate the effectiveness of Chopper on a variety of non-trivial real-world objects. 

 A new software tool developed by Linjie Luo at Princeton University and colleagues automatically breaks up large 3D models into components that a smaller printer can make, adding connectors to clip the whole object together. The software, called Chopper, works by analysing a 3D model before printing and breaking it down in an optimal way. Object seams are placed as far away as possible from areas of high mechanical stress, also splitting the object into as few sections as possible.