It appears that milling machines can be used to carve perspex blocks that display images when light is shone through them. The strange thing is that the images displayed are of high resolution yet the milling is quite crude.
With Quick-Reply you can write a post when viewing a topic without loading a new page. You can still use bulletin board code and smileys as you would in a normal post.
Warning: this topic has not been posted in for at least 120 days.Unless you're sure you want to reply, please consider starting a new topic.