$fn = 60;

include <BOSL2/std.scad>
include <nutsnbolts/cyl_head_bolt.scad>;

base_length=94;
base_width=40;
base_height=3;
supp_length=30;
supp_width=30;
supp_height=7;

module screw(size) {
    *nutcatch_parallel(size, clh=0.2, clk=0.2);
	hole_through(name=size, l=10, cld=0.2, h=10, hcld=0.4);
	*nutcatch_sidecut(size, l=20, clk=0.1, clh=0.1, clsl=0.1);
}

difference() {
    // base
    union() {
        prismoid([base_length,base_width], [supp_length,supp_width], h=supp_height, rounding=5, anchor=TOP);
        translate([0,0,-supp_height]) cuboid([base_length,base_width,base_height], rounding=5, edges=[FWD+RIGHT,FWD+LEFT,BACK+RIGHT,BACK+LEFT], anchor=TOP);
    }
    // screw_holes
    color("red") {
        for(i=[-25:50:50]) {
            translate([i,0,-supp_height+9]) screw("M5");
        }
    }
    // holder_hole
    translate([0,0,-3.41]) zcyl(d=24.8, h=1.85, rounding=0.925, anchor=BOT);
    rotate([0,0,45]) cuboid([24.8,8.5,1.65], rounding=2, edges=[FWD+RIGHT,FWD+LEFT,BACK+RIGHT,BACK+LEFT], anchor=TOP);
    rotate([0,0,-45]) cuboid([24.8,8.5,1.65], rounding=2, edges=[FWD+RIGHT,FWD+LEFT,BACK+RIGHT,BACK+LEFT], anchor=TOP);
    zcyl(d=20, h=1.65, rounding=-0.825, anchor=TOP);
}