1 files changed, 13 insertions, 0 deletions
diff --git a/parameters.scad b/parameters.scad
index d402243..f437c46 100644
--- a/parameters.scad
+++ b/parameters.scad
@@ -57,3 +57,16 @@ large = 1000;
 // A small quantity that does not change the print results. Use to
 // displace surfaces of CSG operations to prevent them from overlapping.
 epsilon = 0.0001;
+
+
+/// COMPUTED DIMENSIONS
+
+tray_width = hdd_width + vrail_width/2;
+tray_height = hdd_height + hrail_height;
+
+
+/// COMMON FUNCTIONS
+// they do not belong here but are not enough to warrant a seperate
+// file. sorry
+
+module ccube(x) cube(x, center=true);