+module DCover(){ ////toplevel
+ translate([ -display_width/2, -hsz, 0 ])
+ rotate([0,90,0])
+ rotate([0,0,90])
+ linear_extrude( display_width - display_rhs_secs, convexity = 10)
+ DCoverProfile();
+}
+
+module DCoverSupportAllowance(){
+ translate([0, -hsz, 0])
+ cube(center=true,
+ [ display_width + 2 * dcover_edge_gap_more_width,
+ wall_thick * 2,
+ dcover_slop_inside * 2 + 0.01 ]);
+}
+
+module BoltHoles(){
+ translate([0,0, -(bolt_above + 0.5 * bolthole_height)])
+ cube(center=true, [ cut, bolthole_width, bolthole_height ]);
+}
+