made this housing for a gear set out of a scrap bosch battery drill

the gear set have a diametar of 36mm

i used a motor from a old hp printer C9000-60005

and 4x 4x60 mmm screws

ball bearing out of a hard drive main motor 13x4x5mm

made a schaft to connect to the gear set with the lathe

still in work progress so will be updated