About this 3D model

Assemble as in pictures . Please write to me when you encounter errors in the assembly section. Vertical shaft diameter 8 mm, motor shaft diameter 3.1 mm. The motor and drill part used are in the link below. https://www.banggood.com/machifit-dc-12-36v-lathe-press-555-motor-with-miniature-hand-drill-chuck-and-mounting-bracket-p-1144675.html?rmmds=myord & cur_warehous to the CN Bearing used in 3D Printers LM8UU was used as vertical shaft bearing. Banggood Reference Linkhttps://www.banggood.com/index.php?zf=19866812