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authorGravatar Jonas Gunz <himself@jonasgunz.de> 2023-01-13 17:21:21 +0100
committerGravatar Jonas Gunz <himself@jonasgunz.de> 2023-01-13 17:21:21 +0100
commit223a8c040642381c13878cbb65b6eae332e5d2d3 (patch)
tree2e1e6c5a083de37492fb26f156e5707f4d5cc015
parent1d6da26a5370e399ff1d5a48575b6d03b8d36a85 (diff)
downloadoscad_gridfinity-223a8c040642381c13878cbb65b6eae332e5d2d3.tar.gz
retab
-rw-r--r--gridfinity.scad140
1 files changed, 70 insertions, 70 deletions
diff --git a/gridfinity.scad b/gridfinity.scad
index bd9924e..ed9b77e 100644
--- a/gridfinity.scad
+++ b/gridfinity.scad
@@ -8,99 +8,99 @@ width_tolerance = 41.5;
rounding = 3.75;
module rounding(r,angle) {
- rotate(angle,[0,0,1])
- translate([-r + 0.01, -r + 0.01])
- difference() {
- square([r,r]);
- circle(r);
- }
+ rotate(angle,[0,0,1])
+ translate([-r + 0.01, -r + 0.01])
+ difference() {
+ square([r,r]);
+ circle(r);
+ }
}
module rounded_square(lx, ly, r) {
- difference() {
- square([lx,ly],center=true);
- union() {
- translate([ lx/2, ly/2]) rounding(r, 0 );
- translate([-lx/2, ly/2]) rounding(r, 90 );
- translate([-lx/2,-ly/2]) rounding(r, 180);
- translate([ lx/2,-ly/2]) rounding(r, 270);
- }
- }
+ difference() {
+ square([lx,ly],center=true);
+ union() {
+ translate([ lx/2, ly/2]) rounding(r, 0 );
+ translate([-lx/2, ly/2]) rounding(r, 90 );
+ translate([-lx/2,-ly/2]) rounding(r, 180);
+ translate([ lx/2,-ly/2]) rounding(r, 270);
+ }
+ }
}
module magnet_hole(h = 0) {
- linear_extrude(2.5) circle(3.25);
- translate([0,0,2.5]) linear_extrude(h) circle(1.5);
+ linear_extrude(2.5) circle(3.25);
+ translate([0,0,2.5]) linear_extrude(h) circle(1.5);
}
module base_solid() {
- hull() {
- linear_extrude(0.1)rounded_square(35.6, 35.6, 0.8);
- translate([0,0,0.8]) linear_extrude(1.8) rounded_square(37.2, 37.2, 1.6);
- }
- translate([0,0,2.6]) hull() {
- linear_extrude(0.1) rounded_square(37.2, 37.2, 1.6);
- translate([0,0,2.15]) linear_extrude(0.1)rounded_square(41.5, 41.5, 3.75);
- }
+ hull() {
+ linear_extrude(0.1)rounded_square(35.6, 35.6, 0.8);
+ translate([0,0,0.8]) linear_extrude(1.8) rounded_square(37.2, 37.2, 1.6);
+ }
+ translate([0,0,2.6]) hull() {
+ linear_extrude(0.1) rounded_square(37.2, 37.2, 1.6);
+ translate([0,0,2.15]) linear_extrude(0.1)rounded_square(41.5, 41.5, 3.75);
+ }
}
module base(magnets = false) {
- l = 35.6;
- o = 4.8;
+ l = 35.6;
+ o = 4.8;
- difference() {
- base_solid();
- if (magnets) union() {
- translate([ l/2 - o, l/2 - o, -0.01]) magnet_hole();
- translate([-l/2 + o, l/2 - o, -0.01]) magnet_hole();
- translate([ l/2 - o, -l/2 + o, -0.01]) magnet_hole();
- translate([-l/2 + o, -l/2 + o, -0.01]) magnet_hole();
- }
- }
+ difference() {
+ base_solid();
+ if (magnets) union() {
+ translate([ l/2 - o, l/2 - o, -0.01]) magnet_hole();
+ translate([-l/2 + o, l/2 - o, -0.01]) magnet_hole();
+ translate([ l/2 - o, -l/2 + o, -0.01]) magnet_hole();
+ translate([-l/2 + o, -l/2 + o, -0.01]) magnet_hole();
+ }
+ }
}
module stacking_lip_negative(ux, uy) {
- x1 = (width * ux) -5.2 -0.5;
- y1 = (width * uy) -5.2 -0.5;
- x2 = (width * ux) -3.8 -0.5;
- y2 = (width * uy) -3.8 -0.5;
- x3 = (width * ux) -0.5;
- y3 = (width * uy) -0.5;
+ x1 = (width * ux) -5.2 -0.5;
+ y1 = (width * uy) -5.2 -0.5;
+ x2 = (width * ux) -3.8 -0.5;
+ y2 = (width * uy) -3.8 -0.5;
+ x3 = (width * ux) -0.5;
+ y3 = (width * uy) -0.5;
- // translate and scale are here to make sure the negative pokes through
- // the positive block
- translate([0,0,-0.001]) scale([1,1,1.001]) hull() {
- linear_extrude(0.01)rounded_square(x1, y1, 0.7);
- translate([0,0,0.7]) linear_extrude(1.8) rounded_square(x2, y2, 1.6);
- }
- translate([0,0,2.5]) hull() {
- linear_extrude(0.01) rounded_square(x2, y2, 1.7);
- translate([0,0,2.15]) linear_extrude(0.01)rounded_square(x3, y3, 3.75);
- }
+ // translate and scale are here to make sure the negative pokes through
+ // the positive block
+ translate([0,0,-0.001]) scale([1,1,1.001]) hull() {
+ linear_extrude(0.01)rounded_square(x1, y1, 0.7);
+ translate([0,0,0.7]) linear_extrude(1.8) rounded_square(x2, y2, 1.6);
+ }
+ translate([0,0,2.5]) hull() {
+ linear_extrude(0.01) rounded_square(x2, y2, 1.7);
+ translate([0,0,2.15]) linear_extrude(0.01)rounded_square(x3, y3, 3.75);
+ }
}
function coord_centered(ux) = (ux -1) * width - 0.5 * width * (ux - 1);
module stacking_lip(units_x, units_y) {
- difference() {
- linear_extrude(4.4)rounded_square(units_x * width -0.5, units_y * width -0.5, rounding);
- stacking_lip_negative(units_x, units_y);
- }
+ difference() {
+ linear_extrude(4.4)rounded_square(units_x * width -0.5, units_y * width -0.5, rounding);
+ stacking_lip_negative(units_x, units_y);
+ }
}
module gridfinity(units_x, units_y, units_z, lip = true, magnets = false) {
- for (ux = [0:units_x -1]) {
- for (uy = [0:units_y -1]) {
- translate([ux * width, uy * width,0]) base(magnets = magnets);
- }
- }
- if (units_z > 0) {
- translate([coord_centered(units_x), coord_centered(units_y), 4.75]) {
- extr = units_z * height - 4.75;
- linear_extrude(extr) rounded_square(units_x * width - 0.5, units_y * width - 0.5, rounding);
- }
- }
- if (lip && units_z > 0) // Just to safeguard. h=0 is not intended to be used with lip.
- translate([coord_centered(units_x), coord_centered(units_y), units_z * height])
- stacking_lip(units_x, units_y);
+ for (ux = [0:units_x -1]) {
+ for (uy = [0:units_y -1]) {
+ translate([ux * width, uy * width,0]) base(magnets = magnets);
+ }
+ }
+ if (units_z > 0) {
+ translate([coord_centered(units_x), coord_centered(units_y), 4.75]) {
+ extr = units_z * height - 4.75;
+ linear_extrude(extr) rounded_square(units_x * width - 0.5, units_y * width - 0.5, rounding);
+ }
+ }
+ if (lip && units_z > 0) // Just to safeguard. h=0 is not intended to be used with lip.
+ translate([coord_centered(units_x), coord_centered(units_y), units_z * height])
+ stacking_lip(units_x, units_y);
}