/* 79-character width
012345678.012345678.012345678.012345678.012345678.012345678.012345678.012345678
*/
///////////////////////////////////////////////////////////////////////////////
// LibFile: gridstack.scad
// FileGroup: CSGPATTERS
// FileSummary: Grid formed by stacked lines
//
//                                                                     DETAILS:
// Weaker than fully meshed grids, but also faster to print and lighter
// Todo: NONE
///////////////////////////////////////////////////////////////////////////////
include <BOSL2/std.scad>

include <sgc_params.scad>

lw = 2*nW; // line width
lh = LH; // layer height

// these MUST be the cavity size
gridX=4.8; 
gridY=4.8;

// these ARE the number of cavities
xCount=7;
yCount=7;

// these MUST be the calculated dimensions
xw = ((2*gridX)*xCount)+((2*lw)*xCount); // X width
yw = ((2*gridY)*yCount)+((2*lw)*yCount)+lw; // Y width
yj = (2*gridY)+(0.5*lw); // jump by this amount

hc = 3; //height count = height of stack


*base_shape();
module base_shape() {
cuboid([xw, yw, lh]);
}

xCavity();
module xCavity() {
jumpY = ((0.5*yw)-(0.5*gridY))-lw;

    difference() {
    color("Gray") base_shape();
    
    union() {
    for (i = [0:(yCount-1)]) {
    translate([lw, -(jumpY-(i*((2*lw)+(2*gridY)))), 0]) 
    color("Gainsboro") cuboid([xw, gridY, lh+VOID]); }
    
    for (i = [0:(yCount-1)]) {
    translate([-lw, -((jumpY-(lw+gridY))-(i*((2*lw)+(2*gridY)))), 0]) 
    color("White") cuboid([xw, gridY, lh+VOID]); }
    }}
}