move vars to parameters.scad, add a little spacing, fix rail cutout

1 files changed, 8 insertions, 9 deletions

diff --git a/parameters.scad b/parameters.scad
index 065dd5a..5307f9a 100644
--- a/parameters.scad
+++ b/parameters.scad
@@ -9,7 +9,7 @@ num_hdd_y = 5;
 
 // width of vertical and horizontal bars
 vrail_width = 15;
-hrail_height = 14.5;
+hrail_height = 15;
 
 // depth of front and back
 front_depth = 15;
@@ -23,6 +23,13 @@ rail_width = 20;
 rail_height = rail_width;
 rail_thickness = 2;
 
+// width and height of the horizontal support bar (U-shaped metal)
+support_bar_width = 10 + pla_epsilon;
+
+// width of the SATA power cable (including some extra space for
+// navigation)
+spc_width=3;
+
 
 /// HDD SIZE (from spec)
 
@@ -39,14 +46,6 @@ hdd_length = 146;
 pla_epsilon = 0.1;
 
 
-/// COMPUTED VARIABLES
-
-// dimension of a single hdd tray (hdd + space around)
-tray_height = hdd_height + max(cooling_height, 2 * bar_thickness + 10 * pla_epsilon);
-tray_width = hdd_width + bar_thickness;
-tray_length = hdd_length - hdd_standout;
-
-
 /// OPENSCAD HACKS
 
 $fn = 180;