20 Mai 2018
The flat base includes a 6.5mm hole and two 6.5mm wide groves, compatible with the usual piggyback and Vixen-like fasteners.
The total height of the base is 20mm.
The height of the grooves and hole is 10mm.
A little 2mm-thick-aluminum plate fixed in front of the screws of the Vixen-like fastener to protect the 3D-printed material.
You can add a clipsable finderscope-like dovetail to the flat base :
I propose 4 "standard" height : 30mm, 50mm, 75mm, 100mm.
Example of 30mm-high finderscope dovetail :
Exemple of flat base + 30mm-high finderscope dovetail :