The file 'Dial Gauge Spring Plate 3D Printer Model' is (stl) file type, size is 11.3KB.
Many dial gauges cannot be used upside down without an extra spring.
This little "washer" makes it possible to add a small spring to enable upside down use.
The washer is 7 mm and the hole is 2.5 mm.
After printing, remove the thin outside "brim".
Spring_plate.stl | 59.6KB |