Pinhole camera What you need: cardstock paper (2 pieces), pin/pencil, scissors, aluminum foil, tape Instructions: 1. Fold one piece of cardstock paper in half. 2. Cut two one-inch slits towards ...

Here’s something to show people who don’t realize the power of 3D printing. This pinhole camera has one moving part which reveals the pinhole, letting in light to expose the 4×5 film inside.