Sort posts:

Photography

Again, same as last year's attempt, you can buy laser drilled pinholes

You can get blurry backgrounds with pinholes too. It's not bokeh exactly, you average out the movement in a long exposure.

Pinhole Sharpness

Here is a link to a thread on Flickr that has good information on image. Sharp or not sharp that is the question

stereo

Experiment; you can sort of diy yourself a stereoscopic camera if you tape two disposable camera’s together.