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Box shelves now have screws in the corners to hold them down.

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Chris Palmer
2023-01-28 20:25:38 +00:00
parent 024439d4c2
commit 34719c3360
2 changed files with 17 additions and 5 deletions
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18
printed/box.scad
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@@ -474,16 +474,19 @@ function subst_sheet(type, sheet) =
let(s = box_sheets(type))
sheet ? assert(sheet_thickness(sheet) == sheet_thickness(s)) sheet : s;
module box_shelf_blank(type, sheet = false) { //! Generates a 2D template for a shelf sheet
module box_shelf_blank(type, sheet = false, wall = undef) { //! Generates a 2D template for a shelf sheet
difference() {
sheet_2D(subst_sheet(type, sheet), box_width(type) - bezel_clearance, box_depth(type) - bezel_clearance, 1);
offset(bezel_clearance / 2)
box_corner_quadrants(type, box_width(type), box_depth(type));
box_shelf_screw_positions(type, [], 0, wall)
drill(screw_clearance_radius(box_shelf_screw(type)), 0);
}
}
module box_shelf_screw_positions(type, screw_positions, thickness = 0, wall = undef) { //! Place children at the shelf screw positions
module box_shelf_screw_positions(type, screw_positions, thickness = 0, wall = undef, top_screws = true) { //! Place children at the shelf screw positions
w = is_undef(wall) ? box_wall(type) : wall;
insert = box_shelf_insert(type);
translate_z(-insert_boss_radius(insert, w))
@@ -491,13 +494,22 @@ module box_shelf_screw_positions(type, screw_positions, thickness = 0, wall = un
multmatrix(p)
translate_z(thickness)
children();
r = box_boss_r(type);
inset = box_intrusion(type) - r + (r + insert_boss_radius(insert, w) + bezel_clearance / 2) / sqrt(2);
if(top_screws)
translate_z(thickness)
for(x = [-1, 1], y = [-1, 1])
translate([x * (box_width(type) / 2 - inset), y * (box_depth(type) / 2 - inset)])
rotate(45 * x * (2 + y))
children();
}
module box_shelf_bracket(type, screw_positions, wall = undef) { //! Generates a shelf bracket, the first optional child is a 2D cutout and the second 3D cutouts
w = is_undef(wall) ? box_wall(type) : wall;
insert = box_shelf_insert(type);
lip = 2 * insert_boss_radius(insert, w);
width = insert_length(insert) + w;
width = max(insert_length(insert) + w, lip);
module shape()
difference() {