Quantity   Component name
3 × 3mm bolts and nuts Temporary fasteners, and in the future, will be used to mount the component in a project.
1 × Spool of 1mm diamter steel wire Used for springs and contacts in prototype. Very common material found in hardware stores.
1 × 3D printer + PLA filament Used for components' casing.
1 × Package of electrical steel tabs Also a common item found in hardware stores perfect for contacts.