3D printed watch band mounting assembly

[geerlingguy]

I wanted to add a few notes, as I printed out the watch parts:

It might be useful to put in the README:

• A section on 'Watch Assembly' or something like that
• Instructions for which files to print (CAD > pcb_frame_mount.stl, and CAD > watch_band_mount.stl)
• A link to a compatible watch band (e.g. Bandini Nylon Sports Watch Band Strap 22mm)
• A list of what screw sizes / types are required for assembly (looks like all self-tapping, judging by the hole sizes)

The 3D prints are exceptionally easy even on cheaper 3D printers, thanks to the minimal 45° overhang and nice big flat sides (I had to reorient the watch_band_mount.stl when slicing).

[geerlingguy]

I noticed in the README it shows:

2 x M2x6mm Flat Head Plastic Threading Screws to mount body to strap mount.
2 x M3x35mm Round Head Machine Screws to mount strap. Just Thread into the plastic snugly.

I was considering buying (edit - updated with full list from Amazon):

• M3x35mm button-head screws
• M3x6mm self-tapping pan-head screws
• M2x6mm self-tapping flat head screws

But I noticed in the watch design there are also two small screws to connect the watchband-holder part with the PCB-holder part, with what looks like countersunk heads. Do you remember what size those screws are?

Edit: After seeing the comment below, I'll try these M2x6mm self-tapping flat head screws for PCB mount to strap mount. I'll update this post (if I remember) after the screws come in, to see if they're all good to go!

[seanhodgins]

updated hardware to show McMaster-Carr links:

• 2 x M2x6mm Flat Head Plastic Threading Screws to mount body to strap mount. - https://www.mcmaster.com/90485A415/
• 2 x M3x6mm Pan Head Plastic Threading Screws for mounting PCB to Body - https://www.mcmaster.com/99461A939/
• 2 x M3x35mm Round Head Machine Screws to mount strap. Just Thread into the plastic snugly https://www.mcmaster.com/92000A134/