Martin Roberts has created some great DIY film gear and put together a few videos documenting the build.  What made these unique was the cinematic way they were shot. I felt like I was watching a documentary on machining and was waiting for Morgan Freeman to start narrating.

Light Camera Crane – Build from Martin Roberts on Vimeo.

Light Camera Slider – Build from Martin Roberts on Vimeo.

Making of – Light Camera Slider from Martin Roberts on Vimeo.