Creating the first layer

The loop distribution is off, the amount each cavity moves needs to be calculated still.

BOSL2/V08APR26/SKU2689999/sgc/gridstack.scad

@@ -12,4 +12,59 @@
 ///////////////////////////////////////////////////////////////////////////////
 include <BOSL2/std.scad>
 
-include <sqc_params.scad>
+include <sgc_params.scad>
+
+lw = 2*nW; // line width
+lh = LH+10; // layer height
+
+// these MUST be the cavity size
+gridX=4.8; 
+gridY=7.4;
+
+// these ARE the number of cavities
+xCount=15;
+yCount=26;
+
+// these MUST be the calculated dimensions
+xw = (gridX*xCount)+((lw+1)*xCount)-lw; // X width
+yw = (gridY*yCount)+((lw+1)*yCount)-lw; // Y width
+yj = (2*gridY)+(0.5*lw); // jump by this amount
+
+hc = 3; //height count = height of stack
+
+
+li = 10+VOID; // lead-in line on the Y
+
+*base_shape(liY=li);
+module base_shape(liY) {
+  difference() {
+    cuboid([xw+liY, yw, lh]);
+    translate([(0.5*(xw+liY))-(0.5*liY), lw, 0]) cuboid([li+VOID, yw, lh+VOID]); }
+}
+
+*void_block_odd(liY=li); // backup
+/*
+module void_block_odd(liY) {
+oddStart = 0;
+    
+    difference() {
+    base_shape(liY=li);
+    translate([-((0.5*liY)-lw), -((0.5*yw)-(0.5*gridY)-(lw)), 0]) cuboid([xw, gridY, lh+VOID]); }
+} */
+
+void_block_odd(liY=li);
+module void_block_odd(liY) {
+oddJump = ((0.5*yw)-(0.5*gridY)-(lw));
+    for (i = [0:(xCount-1)]) {
+    difference() {
+    base_shape(liY=li);
+    translate([-((0.5*liY)-lw), oddJump-(yj*i), 0]) #cuboid([xw, gridY, lh+VOID]); }
+}}
+
+*void_block_even(liY=li);
+module void_block_even(liY) {
+evenStart = 0;
+    difference() {
+    base_shape(liY=li);
+    translate([-((0.5*liY)-lw), -((0.5*yw)-(0.5*gridY)-(lw)), 0]) cuboid([xw, gridY, lh+VOID]); }
+}