Tell us about yourself!
Visit the FaceBook group @ https://www.facebook.com/groups/1749713418650295/ or https://www.facebook.com/groups/ENIAC40/. From there you'll be able to connect with the couple of us that are building this out. If the URLS don't work, search Facebook Groups for "ENIAC40"
Myself and a few others are going down this route with the original version. See https://cad.onshape.com/documents/14f3d01d62b5237f728896c5/w/40e0afc950b8ca0dfecf9ef8/e/92cbcd864aaa425fd7893967 and msg me if your interest in more details. This design should scale fine since he used 12 and 16 MM rods.
Build a 30$ laser Scanner
Arduino Theremin Door-close Reminder
Micro-usb 30F Supercapacitor Flashlight
(Updated) Installing RetroPie 3.0+ on Raspberry Pi 1, 2, & Zero
Supercapacitor Programmable Attiny LED flashlight
Auto Power Off: save batteries
Makey Makey and Scratch Operation Game
Quick Quiz: 5 Min No-Solder Cap-Touch Buzzer Game
RasPi Two-Player Arcade Coffee Table
Very cheap Delta 3D Printer (about 150€)
Powering Arduino with a Battery