retab

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);
 }