diff --git a/Panels/luther_triangle_10hp.scad b/Panels/luther_triangle_10hp.scad
index 5288dc7..9a96011 100644
--- a/Panels/luther_triangle_10hp.scad
+++ b/Panels/luther_triangle_10hp.scad
@@ -34,6 +34,7 @@ $fn=FN;
 height = 128.5; // A little less then 3U
 // Thickness of module (mm) - Would not change this if you are using Eurorack
 thickness = 2;  // Website specifies a thickness of 2mm - but adjust to fit printer specs - often the first layer will be thinner than this
+printer_z_fix = 0.2;  // this gets added to the base panel's thickness to account for squishing
 
 // for inset labels, translating to this height controls label depth
 label_inset_height =  thickness-1;
@@ -160,19 +161,27 @@ union() {
         h_wall(h=4, l=right_rib_x);
 
     // middle horizontal rib
-    translate([left_rib_x, top_row-rail_clearance, 0])
-        h_wall(h=4, l=right_rib_x);
+    translate([left_rib_x, top_row-rail_clearance-thickness, 0])
+        h_wall(h=1.6, l=right_rib_x);
+
+    // middle-bottom h rib
+    translate([left_rib_x, rail_clearance+15+thickness, 0])
+        h_wall(h=1.6, l=right_rib_x);
 
     // bottom horizontal rib
     translate([left_rib_x, rail_clearance, 0])
         h_wall(h=4, l=right_rib_x);
 
     // one more vertical to mount the circuit board to, dead center
-    translate([width_mm/2-thickness/2, rail_clearance, 0])
-    v_wall(h=4, l=top_row-rail_clearance*2);
+    translate([width_mm/2-thickness/2, rail_clearance+15+thickness, 0])
+    v_wall(h=4, l=top_row-rail_clearance*2-thickness-15);
+    
+    // PCB holder
+    translate([width_mm/2-thickness/2+1.15/2, rail_clearance+15+thickness, 0])
+    pcb_holder(h=10, l=top_row-rail_clearance*2-15-thickness, th=1.15, wall_thickness=1);
+
+    // lower h-rib reinforcer
     
-    translate([width_mm/2-thickness/2+1.15/2, rail_clearance, 0])
-    pcb_holder(h=10, l=top_row-rail_clearance*2, th=1.15, wall_thickness=1);
 
 //    color([1,0,0])
 //    translate([62,height-10,thickness-.1])
@@ -197,7 +206,8 @@ module make_surface(filename, h) {
 module panel(h) {
     width_mm = hp_mm(h);
     difference() {
-        cube(size = [width_mm, height, thickness]);
+//        translate([0, 0, -printer_z_fix])
+        cube(size = [width_mm, height, thickness+printer_z_fix]);
         
         if (h < four_hole_threshold) {
             if (two_holes_type == "center") {
diff --git a/Panels/luther_triangle_10hp_rib_space_fixes.stl b/Panels/luther_triangle_10hp_rib_space_fixes.stl
new file mode 100644
index 0000000..ad6235f
Binary files /dev/null and b/Panels/luther_triangle_10hp_rib_space_fixes.stl differ