Simple bottle roller, probably the cheapest and most compact bottler roller. Using asynchronous motor and 608 bearings and a transfer bearing. Parts i used are here:
and you'll have to source two self tapping screws for the motor as i grabbed mine out of my junk drawer. A M3x8 screw for the drive gear on the motor. The drive gear works best if wrapped in electrical tape or use rubber bands. Electrical wiring is up to you,
The author marked this model as their own original creation.