The Dataflash PCB enclosure should be printable on any FDM 3D printer, flat sides down without any support. It should be printable using SLA but I have not tried that. For FDM printing the 'more clearance' version of the base part might be a better fit depending on the machine resolution.

Mine was printed in ABS, solid with 0.2mm layer spacing. I have included a locating key for the ISP header to ensure correct orientation as the connector which I used with the dataflash PCB had none.

The internal threads should work with a metric 3mm x 0.5 pitch screw though I increased the nominal diameter to 3.5mm to allow for some overfill. If it still works out too tight a M3 tap or screw could be used to chase the internal thread otherwise a small self tapping screw with diameter of 3mm or less could be used.

Countersunk screws may be used but the chamfer in the enclosure top may need to be adjusted by hand with a small drill bit etc. I used 2 M3 x 8mm socket button head screws instead.

Finished dimensions are 20 x 8mm (to match the size of the 10 way boxed header) with an overall length of around 40mm including connector.

  