Here's two KB tray/palmrest w/ monitor stands that we've completed. One for the HHKB and another for the Filco tenkeyless.
Sorry, it's late and I just arrived at my friends place to pick these up, wanted to let you guys see how it went. I'm going to ramble real quick about them, but yeah.. here...
These are both going home with me this weekend and are our prototypes.
My friend Joe is looking to make more if people are interested. We're looking into making them with various types of wood. These were made with Poplar, stained and then lacquered.
Dimensions
We gave the tray 3/16ths of an inch clearance on each side to allow wiggle room when sliding the tray in/out. The tray is also 1/16" wider than the board on each side to avoid the keyboard from rubbing against the inner wall of the monitor stand. The boards should clear w/ board covers sold on EK. The slope of the palm-rest isn't too far from level and sits just below the front lip of the kb. The palm-rest is 3 & 3/4" deep on both models.
We also made some palm-rests w/o the tray or monitor stand. I know both of mine do not feature handles underneath the tray, but I told him to keep mine w/o as I'm going to use the sides to pull it out. I'm going to have pegs put inside the monitor stand that can act as a bump stop to prevent the tray from being pushed in farther than flush.
Again, these are the first two that we made w/o ever having a board to compare. We went solely off of measurements from websites and your help. I think they turned out well and I'm anxious to get them home and setup shop.
Now that we have the boards, we may make a few adjustments and would like feedback from you guys. He's interested in making some to sale anyone is interested.
Here's the pics..
http://www.flickr.com/photos/chuckading/4466597214/in/photostream/Let me know what you guys think...