Mould-O-Matic

function getParameterDefinitions() {
return [
	//{name:'usage', caption: 'Type:', type: 'choice', values: [0,1], captions: ['Embossed', 'Engraved'], initial: 0},
  {name:'stamp_width', caption: 'Image width:', type: 'float', initial: 40.0 },
	//{name:'stamp_elevation', caption: 'Height (Stamp):', type: 'float', initial: 1 },
	//{name:'margin', caption: 'Margin:', type: 'float', initial: 0.5 },
	//{name:'base_thickness', caption: 'Base thickness:', type: 'float', initial: 0.9 },
  {name: 'side', caption: 'Mould size:', type: 'float', default: 50},
	{name: 'hgt', caption: 'Mould height:', type: 'float', default: 16},
  {name: 'screw', caption: 'Screw:', type: 'choice', values: [0,1], captions: ['No', 'Yes'], initial: 1},
  {name: 'dia', caption: 'Screw dia:', type: 'float', default: 3},
	{name: 'posX', caption: 'Screw pos X:', type: 'float', default: 0},
  {name: 'posY', caption: 'Screw pos Y:', type: 'float', default: 0}
];
}

function main(params) {

var side = params.side/2;
  var margin = 0.5;
  var stamp_elevation = 1;
  var hgt = params.hgt;
  var dia = params.dia/2;
  var posX = params.posX;
  var posY = params.posY;

var wall = 1;
  var bottom = 0.6;
  var draft = 3;
  var res = 24;

//Mainbody
  var Cyl1 = CSG.cylinder({
    center: [0,0,0],
    start: [0,0,0],
    end: [0,0,hgt+2*bottom],
    radiusStart: (side+wall)*1.41,
    radiusEnd: (side+wall-draft)*1.41,
    resolution: 4
  });

Cyl1 = rotate([0,0,45], Cyl1);

//Mainbody Bevel
  var Cyl5 = CSG.cylinder({
    center: [0,0,0],
    start: [0,0,0],
    end: [0,0,hgt+2*bottom],
    radiusStart: (side+wall)*2-2.5,
    radiusEnd: (side+wall-draft)*2-2.5,
    resolution: 4
  });

//Cutout for mold
  var Cyl2 = CSG.cylinder({
    center: [0,0,0],
    start: [0,0,0],
    end: [0,0,hgt],
    radiusStart: side*1.41,
    radiusEnd: (side-draft)*1.41,
    resolution: 4
  });

//Bevel (cutout)
  var Cyl3 = CSG.cylinder({
    center: [0,0,0],
    start: [0,0,0],
    end: [0,0,hgt],
    radiusStart: side*2-2,
    radiusEnd: (side-draft)*2-2,
    resolution: 4
  });

var bevel = cube({
    size: [4,side*2,4],
    center: true
  });

bevel = rotate([0,45,0], bevel);
  bevel = translate([side-1.9,0,hgt], bevel);
  var bevel2 = rotate([0,0,90], bevel);
  var bevel3 = rotate([0,0,180], bevel);
  var bevel4 = rotate([0,0,270], bevel);

//Cutout for Screw
  var Cyl4 = CSG.cylinder({
    center: [0,0,0],
    start: [posX,posY,-hgt],
    end: [posX,posY,hgt*2],
    radius: dia,
    resolution: 16
  });

paths_array = [[235, 211, 1],[1,[ 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var input_width = paths_array[0][0];
	var input_height = paths_array[0][1];
	var tVersion = paths_array[0][2];

var dispo_width = params.stamp_width - 2*margin;
	var sTrace = dispo_width/input_width;
	var stamp_height = input_height*sTrace + 2*margin;

var i, len, j, l, poly;
	var stamp = new CSG();

for (i=1, len=paths_array.length; i < len; i++) {
		poly = [paths_array[i][1][0]];
		for (j=1, l=paths_array[i][1].length; j < l; j++) {
			point = paths_array[i][1][j];
			if (point[0] === undefined && point[1] === undefined) continue;
			if (point[0] == poly[poly.length -1][0] && point[1] == poly[poly.length -1][1]) continue;

if (! alreadyInPath(poly, point)) {
				poly.push(point);
			}
		}

if (paths_array[i][0] == 1) {

stamp = stamp.union(scale(sTrace, linear_extrude({height:stamp_elevation/sTrace}, polygon(poly))));
		} else {
			stamp = stamp.subtract(scale(sTrace, linear_extrude({height:stamp_elevation/sTrace}, polygon(poly))));
		}
	}

stamp = stamp.translate([-sTrace*input_width/2, -sTrace*input_height/2, bottom]);
	stamp = stamp.scale([-1,-1,1]);
  stamp = stamp.setColor(1,0.5,0);

var result = rotate([0,0,45],Cyl2);
  result = result.intersect(Cyl3);
  result = result.subtract(bevel);
  result = result.subtract(bevel2);
  result = result.subtract(bevel3);
  result = result.subtract(bevel4);

var tmp = Cyl1.intersect(Cyl5);

result = tmp.subtract(result);
  result = result.translate([0,0,-hgt-2*bottom]);
  result = rotate([180,0,0], result);
  result = result.setColor(0.5,0.5,0.5);
  result = result.subtract(stamp);
  Cyl4 = Cyl4.setColor(0.5,0.5,0.5);

if(params.screw == 1){
    result = result.subtract(Cyl4);
  };

return result;
}

function alreadyInPath(pArray, pPoint) {
	for (var i=0, l=pArray.length; i < l; i++) {
		if (pPoint[0] == pArray[i][0] && pPoint[1] == pArray[i][1]) {
			return true;
		}
	}
	return false;
}