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use <gridfinity.scad>
$fn=50;
// diameter (not radius!)
throat = 44;
inner = 47; // ?
outer = 60; // ?
lip_width = 2; // ?
lip_height = 2; // ?
lip_positions = [[50,35], [55,150], [55,265]];
flange_height = 15;
size_x = 2;
size_y = 2;
size_z = 0;
module rounding_circle(radius, corner_radius, angle) {
rotate_extrude() {
translate([radius, angle>=180?corner_radius:0]) difference() {
rotate([0,0,angle]) square(corner_radius);
circle(corner_radius);
}
}
}
module lip(angle, offs) {
rotate([0,0,offs]) translate([0,0,lip_height/2])
rotate_extrude(angle=angle)
translate([inner/2 - lip_width/2,0,0]) square([lip_width,lip_height], center=true);
}
module nikon_f_flange() {
difference() {
linear_extrude(flange_height) difference() {
circle(outer/2);
circle(inner/2);
}
translate([0,0,flange_height-1]) rounding_circle(29,1,0);
}
translate([0,0,flange_height - lip_height]) {
for (i = lip_positions) {
lip(i[0],i[1]);
}
}
}
gridfinity(size_x,size_y,size_z);
translate(gf_top_center(size_x,size_y,size_z)) {
nikon_f_flange();
translate([14,-39])
linear_extrude(1) text("Nikon", size = 7, font="sans:style=bold italic");
}
translate(gf_top_center(size_x,size_y,size_z)) rounding_circle(32.99,3,180);
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