Add cratetag

.gitattributes

@@ -0,0 +1,4 @@
+*.stl filter=lfs diff=lfs merge=lfs -text
+*.STL filter=lfs diff=lfs merge=lfs -text
+*.3mf filter=lfs diff=lfs merge=lfs -text
+*.png filter=lfs diff=lfs merge=lfs -text

cratetag/cratetag.scad

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+// card: 38 x 76
+// 1.5 corner radius
+// 3.5 hole 2 from edge
+
+$fn = 500;
+
+
+card_x = 76;
+card_y = 38;
+card_z = 1;
+card_cr = 1.5;
+card_hole_inset = 2;
+card_hole_r = 1.75;
+card_hole_top_r = 3.75;
+
+border = 1;
+overhang = 1;
+base = 0.6;
+top = 0.6;
+cr = 1;
+incline = 1.3;
+
+e = 0.02;
+
+difference() {
+    // Outer shape
+    hull()
+    for (x=[-1, 1], y=[-1, 1]) {
+        translate([x * ((card_x / 2) + border), y * ((card_y / 2) + border), 0]) {
+            cylinder(h=(base + card_z + top - cr), r1=(incline * cr), r2=cr);
+            
+            translate([0, 0, base + card_z + top - cr])
+            sphere(r=cr);
+        }
+    }
+    
+    // Card cutout
+    hull()
+    for (x=[-1, 1], y=[-1, 1]) {
+        translate([x * ((card_x / 2) - card_cr), y * ((card_y / 2) - card_cr), base])
+        cylinder(h=card_z, r=card_cr);
+    }
+    
+    // Window cutout
+    hull()
+    for (x=[-1, 1], y=[-1, 1]) {
+        translate([x * ((card_x / 2) - overhang - cr), y * ((card_y / 2) - overhang - cr), base]) {
+            cylinder(h=(card_z + top + e), r=cr);
+        }
+    }
+
+
+    // Holes
+    for (x=[-1, 1]) {
+        translate([x * ((card_x / 2) - card_hole_inset - card_hole_r), 0, -e]) {
+            cylinder(h=(e + base + card_z + top + e), r=card_hole_r);
+            
+            translate([0, 0, base + card_z])
+            cylinder(h=(e + top + e), r=card_hole_top_r);
+        }
+    } 
+}