[header] How to make a pringles can macro diffuser [title] Get your pringles can. [step] If you want to use other chip brands that come in a can, just make sure it is reflective inside and fairly similar to the pringles version. [title] Be sure to clean out your can first. 
[step] The chips won't do anything for your camera hardware. [title] Take your flash that you will be using and estimate the size of hole you will need for it.