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Picture of The 123D Catched Pineapple
I know you are all wondering how you catch, clean, print and assemble a 3d cardboard pineapple, and there is no need to fret. This is a quick tutorial showing you exactly that. 

I will be using:
123D Catch, which is software made by Autodesk that you can download as an app. 
Meshmixer, another Autodesk program that is used to clean up my catch.
123D Make, also free software by Autodesk.
a lasercutter
my patience

Step 1: Do the Catch

So, I did my catch on a pineapple, but it can be used to catch basically anything that is matt and of a certain thickness. It all depends. For example, a grape stem is to thin, and a metal spoon is to shiny. But you can always try and see what works for you.

When doing the catch you are to take approx. 40 pictures of your thing, in this case my pineapple. You can do this in any way. Either circling around your object, or taking pictures in random order, but try to get at least a couple pictures of each side and of all undercuts that your object might have. This might take a couple tries. Take the pictures using the 123DCatch app. It seems to work better on ipads than on iphones, but it is supposed to work on both.

Upload your pictures and export it up on to the community. Then transfer to you computer. 
 
very cool! do you have any tips for getting a good catch?