split into tray, front, side; adapt params; add side

1 files changed, 11 insertions, 44 deletions

diff --git a/parameters.scad b/parameters.scad
index c0291cd..d8b36e3 100644
--- a/parameters.scad
+++ b/parameters.scad
@@ -2,37 +2,26 @@
 
 // size of the array
 num_hdd_x = 4;
-num_hdd_y = 5;
+num_hdd_y = 4;
 
 
 /// PRIMARY DIMENSIONS
 
-// space above hdd available for air flow
-cooling_height = 10;
+// width of vertical and horizontal bars
+vrail_width = 15;
+hrail_height = 15;
 
-// thickness of the support bar
-bar_thickness = 10;
+// depth of front and back
+front_depth = 15;
+back_depth = 6;
 
 // length hdd is standing out to be grabbed
-hdd_standout = 25;
-
-// back connector pole depth and shunt space (only used when multipe
-// parts are required to build one pole)
-pole_depth = 20;
-pole_overlap_shunt = 2;
-pole_cable_funnel_width = 3;
-
-/// METAL PARTS: SCREWS AND RAILS
-
-// outer diameter of thread rod and nut used for support
-rod_diameter = 4;
-nut_diameter = 6;
-nut_height = 3;
+hdd_standout = 15;
 
 // dimensions of the L-shaped rail between front and back
-rail_width = 15;
+rail_width = 20;
 rail_height = rail_width;
-rail_thickness = 1;
+rail_thickness = 2;
 
 
 /// HDD SIZE (from spec)
@@ -55,29 +44,7 @@ pla_epsilon = 0.1;
 // 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;
-
-
-/// PCB DIMENSIONS
-
-// free space around backplanes
-backplane_margin = 1;
-
-// dimensions of the backplane PCB
-backplane_width  = tray_width / 2 + 2 * bar_thickness;
-backplane_height = tray_height - 2 * backplane_margin;
-backplane_thickness = 1.6;
-
-// offsets of the backplane relative to the hdd
-backplane_hoffset = -backplane_margin - bar_thickness/2;
-backplane_voffset =  backplane_margin;
-
-// display only: dimensions and offsets of the SATA connector relative
-// to the backplane
-backplane_con_width = 45;
-backplane_con_height = 5;
-backplane_con_depth = 10;
-backplane_con_hoffset = 5 - backplane_hoffset;
-backplane_con_voffset = 15;
+tray_length = hdd_length - hdd_standout;
 
 
 /// OPENSCAD HACKS