Pinhole
thingiverse
To create a pinhole camera from your Sony NEX, you'll need a piece of metal with a precision-made hole in it. This project was inspired by the ingenious designs found at Pinhole Miscellany's Vega Motivation page. Utilizing Tinkercad, you can edit this design online to suit your needs: https://www.tinkercad.com/things/jWxBU0e3sAG
Download Model from thingiverse
With this file you will be able to print Pinhole with your 3D printer. Click on the button and save the file on your computer to work, edit or customize your design. You can also find more 3D designs for printers on Pinhole.