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Added a version of the baseplate to be mounted with counter-sunk screws. #35

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Added a version of the baseplate to be mounted with counter-sunk screws. #35

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40 changes: 36 additions & 4 deletions gridfinity_baseplate.scad
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Original file line number Diff line number Diff line change
Expand Up @@ -3,15 +3,19 @@ include <gridfinity_modules.scad>

xsize = 5;
ysize = 3;
weighted = false;
lid = false;

if (lid) {
version = "plain"; // [plain, weighted, lid, woodscrew]


if (version=="lid") {
base_lid(xsize, ysize);
}
else if (weighted) {
else if (version=="weighted") {
weighted_baseplate(xsize, ysize);
}
else if (version=="woodscrew") {
woodscrew_baseplate(xsize, ysize);
}
else {
frame_plain(xsize, ysize);
}
Expand All @@ -36,6 +40,34 @@ module base_lid(num_x, num_y) {
}



module woodscrew_baseplate(num_x, num_y) {
magnet_od = 6.5;
magnet_position = min(gridfinity_pitch/2-8, gridfinity_pitch/2-4-magnet_od/2);
magnet_thickness = 2.4;
eps = 0.1;

difference() {
frame_plain(num_x, num_y, 6.4);

gridcopy(num_x, num_y) {
cornercopy(magnet_position) {
translate([0, 0, -magnet_thickness])
cylinder(d=magnet_od, h=magnet_thickness+eps, $fn=48);

translate([0, 0, -6.4]) cylinder(d=3.5, h=6.4, $fn=24);

// counter-sunk holes in the bottom
translate([0, 0, -6.41]) cylinder(d1=8.5, d2=3.5, h=2.5, $fn=24);
}

//counter-sunk holes for woodscrews
translate([0, 0, -2.5]) cylinder(d1=3.5, d2=8.5, h=2.5, $fn=24);
translate([0, 0, -6.41]) cylinder(d=3.5, h=6.4, $fn=24);
}
}
}

module weighted_baseplate(num_x, num_y) {
magnet_od = 6.5;
magnet_position = min(gridfinity_pitch/2-8, gridfinity_pitch/2-4-magnet_od/2);
Expand Down