Not seeing double. There are two PI's in the picture. Raspberry Pi to be exact. These are two credit card size, fully operational computers. The one with the cables connected is the only one operating in the picture. These little baby computers are fully functional as any PC personal computer. They operate using the Linux operating system. The amazing part is the cost. It is $35.00 More information on these interesting computers will certainly make it into these pages For now,check out this link to their home page: .https://www.raspberrypi.org/ Update: Find more here: https://ramblindan.org/?p=5002

Not one of my designs but it is how I would design a box like this. It is large, thick walled, and heavy. It's also printed with PLA/wood. Hatchbox brand in this case.. Presently a work-in-progress and will require a lot of material and printing time. But that is OK. I have always maintained that 3D printing is not a race to see how fast the printer can run. It's all about how well it can print. Fast is not a prime requirement. The source files are here on Thingiverse: https://www.thingiverse.com/thing:3304456 The top shown in the picture took almost 11 hours to print. The bottom is now on the printer and will run for about 16 hours. More info on this project will be coming... ESeven hours r...

Here is the start of the first complex scale model. A NIH model (Not Invented Here) having been obtained on Thingiverse. (https://www.thingiverse.com/thing:1363887) created by a fellow who calls himself Raby. It's a small (bobber) caboose. The scale is 1:32 or 3/8 inch = 1 foot. That makes it a good size model. It's a commonly used scale for outdoor garden railroads. In the 3D printing hobbyist culture its part of the OpenRailway free design sharing movement. This is a good example of the kind of projects I have in mind. It's not extreme accurate scale or flawless. It does present the concept of printable components with a hobby grade FDM 3D printer. I...