adafruit-powerboost: some commentary

Signed-off-by: Ian Jackson <ijackson@chiark.greenend.org.uk>

diff --git a/adafruit-powerboost-common.scad b/adafruit-powerboost-common.scad
index acbf33bca1a14d6d1a8d1734a169e359af0d2faa..6eda9e58fe6b997e766f7e708f888256fda83f82 100644 (file)
--- a/adafruit-powerboost-common.scad
+++ b/adafruit-powerboost-common.scad
@@ -227,6 +227,8 @@ module PsuMountTest() { ////toplevel
       translate([0, psu_y, psu_z])
        PsuMountPositive();
       difference(){
+
+       // rectangular box with wall
        linextr_x_yz(-psu_mount_outer_sz_x/2,
                     +psu_mount_outer_sz_x/2) {
          difference(){
@@ -235,6 +237,7 @@ module PsuMountTest() { ////toplevel
            rectfromto([ceil,0], 400*[1,1]);
          }
        }
+
        translate([0, psu_y, psu_z]) {
          PsuMountNegative();
        }