Feyr

minkowski_radius=1; // radius of the chamfered edge. 
inner_width=73; // width of the phone, in mm
outer_width = 4; // width of the object
height=40 ; // height of the triangle, in mm
depth=7.60 ; // depth between the back and the connector, in mm
bottom_of_wings = 12;
height_of_wings = 18; // approx
depth_of_wings = 9;
height_of_back_divot = 34;
divot_depth=1;