If you don't want any case at all, here is the stuff you'll need for the guts of an aball. You'll need to 3d print the support frame and some sort of bottom if you don't want to use metal.
| Quantity | Item | URL |
|---|---|---|
| 3 | 3x6x2.5mm Ball Bearing | https://www.amazon.com/gp/product/B014LT87HS |
| 3 | M3 Nuts | |
| 3 | M3 Bolts, round head, 10mm | |
| 5 | M2x8 Bolts | |
| 5 | M2 nuts | |
| 3 | Rubber Feet | |
| 1 | Pro Micro Compatible - Elite-C Recommended | |
| 1 | ADNS-9800 Laser Motion Sensor Breakout | https://www.tindie.com/products/citizenjoe/adns-9800-motion-sensor/ |
| 1 | Ball either 38mm or 34mm | https://www.amazon.com/gp/product/B00CEQY0J0 https://www.amazon.com/gp/product/B07BDGSX5X |
There are plans in this repo for both a 3d printed, and laser cut acrylic case. Depending on what case you want, and what you have on hand, you can substitute some of the M2 hardware.
| Quantity | Item | URL |
|---|---|---|
| 3 | 3x6x2.5mm Ball Bearing | https://www.amazon.com/gp/product/B014LT87HS |
| 3 | M3 Nuts | |
| 3 | M3 Bolts, round head, 10mm | |
| 5 | M2x8 Bolts | |
| 4 | M2x12 Bolts | |
| 3 | M2x6 Bolts | |
| 7 | M2 standoff M/F 10mm | |
| 12 | M2 nuts | |
| 3 | Rubber Feet | |
| 1 | Pro Micro Compatible - Elite-C Recommended | |
| 1 | Jack Enterprises - ADNS-9800 Laser Motion Sensor Breakout | https://www.tindie.com/products/jkicklighter/adns-9800-laser-motion-sensor/ |
| 1 | Ball either 38mm or 34mm | https://www.amazon.com/gp/product/B00CEQY0J0 https://www.amazon.com/gp/product/B07BDGSX5X |