Moulds for concrete casting

mould.jscad

function getParameterDefinitions() {
  return [
  {name: 'side', caption: 'Width:', type: 'float', default: 50},
	{name: 'hgt', caption: 'Height:', type: 'float', default: 14},
	{name: 'dia', caption: 'Screw dia:', type: 'float', default: 3},
	{name: 'posX', caption: 'Screw Position X:', type: 'float', default: 8},
  {name: 'posY', caption: 'Screw Position Y:', type: 'float', default: 8}
  ];
}

function main(params){
  var side = params.side/2;
  var hgt = params.hgt;
  var dia = params.dia/2;
  var posX = params.posX;
  var posY = params.posY;

  var wall = 1; // Approx ;-)
  var draft = 2;
  var res = 24;


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

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

  //Cutout for Screw
  var Cyl3 = CSG.cylinder({
    center: [0,0,0],
    start: [0,0,0],
    end: [0,0,hgt],
    radius: dia,
    resolution: 16
  });

  //Addon -> will get replaced with a extrudet polygon
  var Cyl4 = CSG.cylinder({
    center: [0,0,0],
    start: [0,0,0],
    end: [0,0,wall+2],
    radius: 18,
    resolution: 5
  });

  var result = translate([0, 0, -hgt], rotate([0, 0, 45], Cyl1.subtract(Cyl2)));
  Cyl3 = Cyl3.translate([side-posX, side-posY, -hgt/2]);
  result = result.subtract(Cyl3);
  result = rotate([0, 180, 0],result);
  result = result.union(Cyl4);

  return result;
}