This is a 'make-it' guide for constructing a DC motor from easily sourced components and 3D printed parts.

The 3D print files are available from GL365A listed below.

Production of a high-quality surface finish using an abrasive belt (linisher), graded polishing wheels or polishing compounds and a power-driven mop. Final finishing could be done by hand using liquid polish and a cloth.

Production of a high-quality surface finish using polishing compounds and a power-driven mop. Final finishing by hand using liquid polish and cloth.

Stone cutting: A diamond-impregnated saw blade is used to cut semi-precious stones and minerals.Stone grinding: The cut stone is ground and polished to a high surface finish.