diff --git a/dist/config/config.d.ts b/dist/config/config.d.ts
index 7f906343f34..5358e870f60 100644
--- a/dist/config/config.d.ts
+++ b/dist/config/config.d.ts
@@ -1,18 +1,24 @@
-declare const config: {
-    "parts": string[];
-    "measurements": string[];
-    "options": ({
-        "id": string;
-        "min": number;
-        "max": number;
-        "std": number;
-        "type"?: undefined;
-    } | {
-        "id": string;
-        "type": string;
-        "min": number;
-        "max": number;
-        "std": number;
-    })[];
+declare const manSize34: {
+    bicepsCircumference: number;
+    centerBackNeckToWaist: number;
+    chestCircumference: number;
+    hipsCircumference: number;
+    naturalWaistToHip: number;
+    neckCircumference: number;
+    shoulderSlope: number;
+    shoulderToShoulder: number;
+    shoulderToWrist: number;
+    wristCircumference: number;
+};
+declare const manSize36: {
+    bicepsCircumference: number;
+    centerBackNeckToWaist: number;
+    chestCircumference: number;
+    hipsCircumference: number;
+    naturalWaistToHip: number;
+    neckCircumference: number;
+    shoulderSlope: number;
+    shoulderToShoulder: number;
+    shoulderToWrist: number;
+    wristCircumference: number;
 };
-export default config;
diff --git a/dist/config/config.js b/dist/config/config.js
index cfa3754c1e1..085f88bfe2d 100644
--- a/dist/config/config.js
+++ b/dist/config/config.js
@@ -1,75 +1,113 @@
 "use strict";
-Object.defineProperty(exports, "__esModule", { value: true });
-var config = {
-    "parts": [
-        "backBlock",
-        "frontBlock",
-        "sleeveBlock"
-    ],
-    "measurements": [
-        "bicepsCircumference",
-        "centerBackNeckToWaist",
-        "chestCircumference",
-        "naturalWaistToHip",
-        "neckCircumference",
-        "shoulderSlope",
-        "shoulderToShoulder",
-        "hipsCircumference",
-        "shoulderToWrist",
-        "wristCircumference"
-    ],
-    "options": [
-        {
-            "id": "chestEase",
-            "min": -40,
-            "max": 160,
-            "std": 30
-        },
-        {
-            "id": "bicepsEase",
-            "min": 30,
-            "max": 80,
-            "std": 50
-        },
-        {
-            "id": "cuffEase",
-            "min": 0,
-            "max": 100,
-            "std": 45
-        },
-        {
-            "id": "lengthBonus",
-            "min": -40,
-            "max": 120,
-            "std": 0
-        },
-        {
-            "id": "sleeveLengthBonus",
-            "min": -40,
-            "max": 80,
-            "std": 0
-        },
-        {
-            "id": "armholeDepthFactor",
-            "type": "percentage",
-            "min": 50,
-            "max": 65,
-            "std": 50
-        },
-        {
-            "id": "sleevecapHeightFactor",
-            "type": "percentage",
-            "min": 35,
-            "max": 75,
-            "std": 55
-        },
-        {
-            "id": "acrossBackFactor",
-            "type": "percentage",
-            "min": 93,
-            "max": 99,
-            "std": 96
-        }
-    ]
+var manSize34 = {
+    bicepsCircumference: 335,
+    centerBackNeckToWaist: 489,
+    chestCircumference: 849,
+    hipsCircumference: 722,
+    naturalWaistToHip: 100,
+    neckCircumference: 366,
+    shoulderSlope: 43,
+    shoulderToShoulder: 419,
+    shoulderToWrist: 670,
+    wristCircumference: 175
 };
-exports.default = config;
+var manSize36 = {
+    bicepsCircumference: 290,
+    centerBackNeckToWaist: 492,
+    chestCircumference: 907,
+    hipsCircumference: 780,
+    naturalWaistToHip: 105,
+    neckCircumference: 378,
+    shoulderSlope: 46,
+    shoulderToShoulder: 431,
+    shoulderToWrist: 675,
+    wristCircumference: 180
+};
+size38: {
+    bicepsCircumference: 305,
+        centerBackNeckToWaist;
+    495,
+        chestCircumference;
+    965,
+        hipsCircumference;
+    838,
+        naturalWaistToHip;
+    110,
+        neckCircumference;
+    391,
+        shoulderSlope;
+    49,
+        shoulderToShoulder;
+    444,
+        shoulderToWrist;
+    680,
+        wristCircumference;
+    185;
+}
+;
+size40: {
+    bicepsCircumference: 320,
+        centerBackNeckToWaist;
+    498,
+        chestCircumference;
+    1023,
+        hipsCircumference;
+    896,
+        naturalWaistToHip;
+    115,
+        neckCircumference;
+    404,
+        shoulderSlope;
+    52,
+        shoulderToShoulder;
+    457,
+        shoulderToWrist;
+    685,
+        wristCircumference;
+    190;
+}
+;
+size42: {
+    bicepsCircumference: 335,
+        centerBackNeckToWaist;
+    501,
+        chestCircumference;
+    1081,
+        hipsCircumference;
+    895,
+        naturalWaistToHip;
+    120,
+        neckCircumference;
+    416,
+        shoulderSlope;
+    55,
+        shoulderToShoulder;
+    470,
+        shoulderToWrist;
+    690,
+        wristCircumference;
+    195;
+}
+;
+size44: {
+    bicepsCircumference: 350,
+        centerBackNeckToWaist;
+    505,
+        chestCircumference;
+    1139,
+        hipsCircumference;
+    1012,
+        naturalWaistToHip;
+    125,
+        neckCircumference;
+    429,
+        shoulderSlope;
+    58,
+        shoulderToShoulder;
+    483,
+        shoulderToWrist;
+    700,
+        wristCircumference;
+    200;
+}
+;
diff --git a/dist/lib/model.d.ts b/dist/lib/model.d.ts
new file mode 100644
index 00000000000..195888a5eaf
--- /dev/null
+++ b/dist/lib/model.d.ts
@@ -0,0 +1,7 @@
+import { PatternOption } from './types';
+export default class Model {
+    id: string;
+    config: PatternOption;
+    val: number;
+    constructor(config: PatternOption);
+}
diff --git a/dist/lib/model.js b/dist/lib/model.js
new file mode 100644
index 00000000000..7d0ac6e8a87
--- /dev/null
+++ b/dist/lib/model.js
@@ -0,0 +1,12 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+var Model = /** @class */ (function () {
+    function Model(config) {
+        this.id = config.id;
+        this.config = config;
+        this.val = config.val;
+        return this;
+    }
+    return Model;
+}());
+exports.default = Model;
diff --git a/dist/lib/option.d.ts b/dist/lib/option.d.ts
new file mode 100644
index 00000000000..75b53d4952c
--- /dev/null
+++ b/dist/lib/option.d.ts
@@ -0,0 +1,7 @@
+import { PatternOption } from './types';
+export default class Option {
+    id: string;
+    config: PatternOption;
+    val: number;
+    constructor(config: PatternOption);
+}
diff --git a/dist/lib/option.js b/dist/lib/option.js
new file mode 100644
index 00000000000..82bae0c4f6b
--- /dev/null
+++ b/dist/lib/option.js
@@ -0,0 +1,12 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+var Option = /** @class */ (function () {
+    function Option(config) {
+        this.id = config.id;
+        this.config = config;
+        this.val = config.val;
+        return this;
+    }
+    return Option;
+}());
+exports.default = Option;
diff --git a/dist/lib/part.d.ts b/dist/lib/part.d.ts
new file mode 100644
index 00000000000..7c8f48f031d
--- /dev/null
+++ b/dist/lib/part.d.ts
@@ -0,0 +1,4 @@
+export default class Part {
+    id: string;
+    constructor(id: string);
+}
diff --git a/dist/lib/part.js b/dist/lib/part.js
new file mode 100644
index 00000000000..5ac001f178d
--- /dev/null
+++ b/dist/lib/part.js
@@ -0,0 +1,10 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+var Part = /** @class */ (function () {
+    function Part(id) {
+        this.id = id;
+        return this;
+    }
+    return Part;
+}());
+exports.default = Part;
diff --git a/dist/lib/pattern.d.ts b/dist/lib/pattern.d.ts
index 26a97ab9f14..ddf72ac0c0d 100644
--- a/dist/lib/pattern.d.ts
+++ b/dist/lib/pattern.d.ts
@@ -1,5 +1,14 @@
 import { PatternConfig } from './types';
+import Part from './part';
+import Option from './option';
 export default class Pattern {
     config: PatternConfig;
+    parts: {
+        [propName: string]: Part;
+    };
+    options: {
+        [propName: string]: Option;
+    };
     constructor(config: PatternConfig);
+    draft(config: object): void;
 }
diff --git a/dist/lib/pattern.js b/dist/lib/pattern.js
index 270c6c5ef8c..d83118b6fb9 100644
--- a/dist/lib/pattern.js
+++ b/dist/lib/pattern.js
@@ -1,10 +1,28 @@
 "use strict";
+var __importDefault = (this && this.__importDefault) || function (mod) {
+    return (mod && mod.__esModule) ? mod : { "default": mod };
+};
 Object.defineProperty(exports, "__esModule", { value: true });
+var part_1 = __importDefault(require("./part"));
+var option_1 = __importDefault(require("./option"));
 var Pattern = /** @class */ (function () {
     function Pattern(config) {
         this.config = config;
+        this.parts = {};
+        for (var _i = 0, _a = config.parts; _i < _a.length; _i++) {
+            var id = _a[_i];
+            this.parts[id] = new part_1.default(id);
+        }
+        this.options = {};
+        for (var _b = 0, _c = config.options; _b < _c.length; _b++) {
+            var conf = _c[_b];
+            this.options[conf.id] = new option_1.default(conf);
+        }
         return this;
     }
+    Pattern.prototype.draft = function (config) {
+        throw Error('You have to implement the draft() method in your Pattern instance.');
+    };
     return Pattern;
 }());
 exports.default = Pattern;
diff --git a/dist/lib/types.d.ts b/dist/lib/types.d.ts
index 5336496e628..2ecc442b594 100644
--- a/dist/lib/types.d.ts
+++ b/dist/lib/types.d.ts
@@ -1,12 +1,14 @@
+export declare type PatternOptionType = "measure" | "percentage" | "angle" | "choice" | "constant";
 export interface PatternOption {
-    type?: "measure" | "percentage" | "angle" | "choice";
+    id: string;
+    val: number;
+    type?: string;
     onlyIf?: {
         option: string;
         oneOf: number[];
     };
     min?: number;
     max?: number;
-    std: number;
     options?: {
         [index: number]: string;
     };
@@ -22,3 +24,17 @@ export declare type Pattern = {
     measurements: string[];
     config: PatternConfig;
 };
+export declare type DraftMode = "sample" | "compare" | "draft";
+export declare type CompareGroup = "men" | "women";
+export declare type Units = "metric" | "imperial";
+export interface DraftConfig {
+    mode: DraftMode;
+    units?: Units;
+    options: PatternOption[];
+    measurements?: {
+        [index: string]: number;
+    };
+    sa?: number;
+    scope?: string[];
+    theme?: string;
+}
diff --git a/lib/model.ts b/lib/model.ts
new file mode 100644
index 00000000000..ae29c30014d
--- /dev/null
+++ b/lib/model.ts
@@ -0,0 +1,14 @@
+import { PatternOption } from './types'
+export default class Model {
+  id: string;
+  config: PatternOption;
+  val: number;
+
+  constructor(config: PatternOption) {
+    this.id = config.id;
+    this.config = config;
+    this.val = config.val;
+
+    return this;
+  }
+}
diff --git a/lib/option.ts b/lib/option.ts
new file mode 100644
index 00000000000..9c4c18d7d0b
--- /dev/null
+++ b/lib/option.ts
@@ -0,0 +1,14 @@
+import { PatternOption } from './types'
+export default class Option {
+  id: string;
+  config: PatternOption;
+  val: number;
+
+  constructor(config: PatternOption) {
+    this.id = config.id;
+    this.config = config;
+    this.val = config.val;
+
+    return this;
+  }
+}
diff --git a/lib/part.ts b/lib/part.ts
new file mode 100644
index 00000000000..9ae7e3a41c3
--- /dev/null
+++ b/lib/part.ts
@@ -0,0 +1,11 @@
+import { PatternOption } from './types'
+
+export default class Part {
+  id: string;
+
+  constructor(id: string) {
+    this.id = id;
+
+    return this;
+  }
+}
diff --git a/lib/pattern.ts b/lib/pattern.ts
index a3583a25475..076712cb555 100644
--- a/lib/pattern.ts
+++ b/lib/pattern.ts
@@ -1,11 +1,29 @@
-import { PatternConfig } from './types'
+import { PatternConfig, PatternOption } from './types'
+import Part from './part'
+import Option from './option'
 
 export default class Pattern {
   config: PatternConfig;
+  parts: {[propName: string]: Part};
+  options: {[propName: string]: Option};
 
   constructor(config: PatternConfig) {
     this.config = config;
 
+    this.parts = {};
+    for (let id of config.parts) {
+      this.parts[id] = new Part(id);
+    }
+
+    this.options = {};
+    for (let conf of config.options) {
+      this.options[conf.id] = new Option(conf);
+    }
+
     return this;
   }
+
+  draft(config: object): void {
+    throw Error('You have to implement the draft() method in your Pattern instance.');
+  }
 }
diff --git a/lib/types.ts b/lib/types.ts
index 2f540b8d49a..5de534bb8ac 100644
--- a/lib/types.ts
+++ b/lib/types.ts
@@ -1,12 +1,15 @@
+export type PatternOptionType = "measure" | "percentage" | "angle" | "choice" | "constant";
+
 export interface PatternOption {
-  type?: "measure" | "percentage" | "angle" | "choice";
+  id: string;
+  val: number;
+  type?: string;
   onlyIf?: {
     option: string;
     oneOf: number[];
   }
   min?: number;
   max?: number;
-  std: number;
   options?: {
     [index: number]: string;
   }
@@ -24,3 +27,21 @@ export type Pattern = {
   measurements: string[];
   config: PatternConfig;
 }
+
+export type DraftMode = "sample" | "compare" | "draft";
+export type CompareGroup = "men" | "women";
+export type Units = "metric" | "imperial";
+
+export interface DraftConfig {
+  mode: DraftMode;
+  units?: Units;
+  options: PatternOption[];
+  measurements?: {
+    [index:string]: number;
+  };
+  sa?: number;
+  scope?: string[];
+  theme?: string;
+}
+
+