add alignment tool

includes.scad

@@ -7,3 +7,4 @@ include <src/key_types.scad>
 include <src/key_transformations.scad>
 include <src/key_helpers.scad>
 include <src/key_layouts.scad>
+include <src/alignment_tool.scad>

src/alignment_tool.scad

@@ -0,0 +1,15 @@
+include <./includes.scad>
+
+// Tool for keeping switches aligned while soldering
+// Keep the bar high enough that when the keyboard is upside down the switches can be fully depressed
+
+module alignment_tool(layout=[[1,1,1,1,1]], bar_height=$stem_throw*1.2) {
+    bar_width=unit/2;
+    simple_layout(layout) 
+    stem($stem_type, $stem_throw, $stem_slop, $stem_throw);
+    hull() {
+        simple_layout(layout) 
+        translate([-unit/2,-bar_width/2,$stem_throw])
+        cube([unit,bar_width,bar_height]);
+    }
+}