Knife sharpener

For manufacturing it is necessary
shaft diameter 8 mm long 500 mm - 1 pc.
shaft diameter 8 mm long 300 mm - 1 pc.
bolt m6 x 25 - 5 pcs. nuts m6 - 5 pcs.
bolt m4 x 30 - 3 pcs. nuts m4 - 3 pcs.
the base of the plywood is 10 mm 270 mm x 125 mm.
screw 4 x 16 - 4 pcs.
Teflon tube is about 42 cm. For bearing
You can experiment with the form of the base.