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diff --git a/3d-printables/wire-jig-data.scad b/3d-printables/wire-jig-data.scad
new file mode 100644
index 0000000..1c51f0c
--- /dev/null
+++ b/3d-printables/wire-jig-data.scad
@@ -0,0 +1,30 @@
+$fn = 20;
+
+include <nut-data.scad>
+wire_channel_width = 14;
+wire_channel_height = 14;
+
+wire_diameter_measured = 1.17;
+// some of this fudge is due to using a hexagon instead of a circle
+wire_diameter_fudge = 1.4;
+wire_diameter = wire_diameter_measured + wire_diameter_fudge;
+wire_radius = wire_diameter / 2;
+
+wire_lengths = [10, //strip wire this much
+                35, //short breadboard wire
+                63, //ground to ground
+                120, //arduino breadboard wire
+                180 //motor wire
+               ];
+
+module wire_channel_groove_2d(width, height, wire_radius) {
+  difference() {
+    square([width, height]);
+    translate([width / 2, height / 2]) {
+      rotate(a = 90, v = [0, 0, 1]) {
+        nut_2d(wire_diameter); } } } }
+
+module wire_channel_groove(width, height, wire_radius, length) {
+  rotate(a = 90, v = [1, 0, 0]) {
+    linear_extrude(height = length) {
+      wire_channel_groove_2d(width, height, wire_radius); } } }