As RDworks fails to properly read in the DXF exported by OpenSCAD, a detour through Inkscape is necessary (unless using Lightburn, I presume). If not using RDworks, skip following. From OpenSCAD export as SVG. In Inkscape save the exported SVG as a DXF file. That DXF file can be opened in RDworks. Same procedure has to be done with `part_clock_outline.scad` to use as a cutting outline.
Quartz movement with hands acquired from [Dan's Clock Shop](https://www.dansclockshop.com/product/id/141/24-hour-clock-movements/new-quartz-24-hour-clock-movement-mechanism-motor-130mm-black-metal-hands-for-24hr-dials) for £10GBP plus shipping and import taxes (<30€intotal).
Chose [Isonorm](https://www.fontshop.com/families/linotype-isonorm) typeface for numbers out of selection of typefaces ([Decimal](https://www.typography.com/fonts/decimal/how-to-use), [Interstate](https://fontsinuse.com/typefaces/2247/interstate)) due to cleanliness, somewhat fixed width appearance and "objectivity". Of course you are fee to choose a typeface of your preference.