diff --git a/frontend/src/uxbox/main/geom.cljs b/frontend/src/uxbox/main/geom.cljs
index 79672953bb..7342f5ddc6 100644
--- a/frontend/src/uxbox/main/geom.cljs
+++ b/frontend/src/uxbox/main/geom.cljs
@@ -434,10 +434,10 @@
 (defn shapes->rect-shape
   [shapes]
   (let [shapes (mapv shape->rect-shape shapes)
-        minx (apply js/Math.min (mapv :x1 shapes))
-        miny (apply js/Math.min (mapv :y1 shapes))
-        maxx (apply js/Math.max (mapv :x2 shapes))
-        maxy (apply js/Math.max (mapv :y2 shapes))]
+        minx (transduce (map :x1) min shapes)
+        miny (transduce (map :y1) min shapes)
+        maxx (transduce (map :x2) max shapes)
+        maxy (transduce (map :y2) max shapes)]
     {:x1 minx
      :y1 miny
      :x2 maxx
@@ -509,10 +509,10 @@
 
 (defn- transform-rect
   [{:keys [x y width height] :as shape} mx]
-  (let [tl (gpt/transform [x y] mx)
-        tr (gpt/transform [(+ x width) y] mx)
-        bl (gpt/transform [x (+ y height)] mx)
-        br (gpt/transform [(+ x width) (+ y height)] mx)
+  (let [tl (gpt/transform (gpt/point x y) mx)
+        tr (gpt/transform (gpt/point (+ x width) y) mx)
+        bl (gpt/transform (gpt/point x (+ y height)) mx)
+        br (gpt/transform (gpt/point (+ x width) (+ y height)) mx)
         ;; TODO: replace apply with transduce (performance)
         minx (apply min (map :x [tl tr bl br]))
         maxx (apply max (map :x [tl tr bl br]))
@@ -527,10 +527,10 @@
 (defn- transform-circle
   [{:keys [cx cy rx ry] :as shape} xfmt]
   (let [{:keys [x1 y1 x2 y2]} (shape->rect-shape shape)
-        tl (gpt/transform [x1 y1] xfmt)
-        tr (gpt/transform [x2 y1] xfmt)
-        bl (gpt/transform [x1 y2] xfmt)
-        br (gpt/transform [x2 y2] xfmt)
+        tl (gpt/transform (gpt/point x1 y1) xfmt)
+        tr (gpt/transform (gpt/point x2 y1) xfmt)
+        bl (gpt/transform (gpt/point x1 y2) xfmt)
+        br (gpt/transform (gpt/point x2 y2) xfmt)
 
         ;; TODO: replace apply with transduce (performance)
         x (apply min (map :x [tl tr bl br]))
diff --git a/frontend/src/uxbox/main/streams.cljs b/frontend/src/uxbox/main/streams.cljs
index 1b7d3301b5..9b4c41d808 100644
--- a/frontend/src/uxbox/main/streams.cljs
+++ b/frontend/src/uxbox/main/streams.cljs
@@ -78,7 +78,7 @@
   [current]
   (->> (rx/concat (rx/of current)
                   (rx/sample 10 mouse-position))
-       (rx/map #(gpt/divide % @refs/selected-zoom))
+       (rx/map #(gpt/divide % (gpt/point @refs/selected-zoom)))
        (rx/mapcat (fn [point]
                     (if @refs/selected-alignment
                       (uwrk/align-point point)
diff --git a/frontend/src/uxbox/main/ui/workspace/drawarea.cljs b/frontend/src/uxbox/main/ui/workspace/drawarea.cljs
index b93c939822..8e46ec1f29 100644
--- a/frontend/src/uxbox/main/ui/workspace/drawarea.cljs
+++ b/frontend/src/uxbox/main/ui/workspace/drawarea.cljs
@@ -135,7 +135,7 @@
 
               mouse (->> ms/mouse-position
                          (rx/mapcat #(conditional-align % align?))
-                         (rx/map #(gpt/divide % zoom)))]
+                         (rx/map #(gpt/divide % (gpt/point zoom))))]
           (rx/concat
            (->> mouse
                 (rx/take 1)
@@ -179,14 +179,14 @@
         (let [{:keys [zoom flags]} (:workspace-local state)
 
               align? (refs/alignment-activated? flags)
-              last-point (volatile! (gpt/divide @ms/mouse-position zoom))
+              last-point (volatile! (gpt/divide @ms/mouse-position (gpt/point zoom)))
 
               stoper (->> (rx/filter stoper-event? stream)
                           (rx/share))
 
               mouse (->> (rx/sample 10 ms/mouse-position)
                          (rx/mapcat #(conditional-align % align?))
-                         (rx/map #(gpt/divide % zoom)))
+                         (rx/map #(gpt/divide % (gpt/point zoom))))
 
               points (->> stream
                           (rx/filter ms/mouse-click?)
@@ -255,7 +255,7 @@
               stoper (rx/filter stoper-event? stream)
               mouse  (->> (rx/sample 10 ms/mouse-position)
                           (rx/mapcat #(conditional-align % align?))
-                          (rx/map #(gpt/divide % zoom)))]
+                          (rx/map #(gpt/divide % (gpt/point zoom))))]
           (rx/concat
            (rx/of initialize-drawing)
            (->> mouse
diff --git a/frontend/src/uxbox/main/ui/workspace/selection.cljs b/frontend/src/uxbox/main/ui/workspace/selection.cljs
index 0c94ce186b..eb52fece27 100644
--- a/frontend/src/uxbox/main/ui/workspace/selection.cljs
+++ b/frontend/src/uxbox/main/ui/workspace/selection.cljs
@@ -25,7 +25,7 @@
 
 (defn- apply-zoom
   [point]
-  (gpt/divide point @refs/selected-zoom))
+  (gpt/divide point (gpt/point @refs/selected-zoom)))
 
 ;; --- Resize & Rotate
 
@@ -115,8 +115,8 @@
     :style {:fillOpacity "1"
             :strokeWidth "2px"
             :vectorEffect "non-scaling-stroke"}
-   :fill "rgba(49,239,184,.7)"
-   :stroke "#31EFB8"
+    :fill "rgba(49,239,184,.7)"
+    :stroke "#31EFB8"
     :cx cx
     :cy cy}])
 
@@ -232,7 +232,6 @@
 
 ;; TODO: add specs for clarity
 
-
 (mf/defc text-edition-selection-handlers
   [{:keys [shape zoom] :as props}]
   (let [{:keys [x y width height] :as shape} shape]
@@ -257,7 +256,6 @@
 
 (mf/defc single-selection-handlers
   [{:keys [shape zoom] :as props}]
-  (prn "single-selection-handlers" shape)
   (let [on-resize #(do (dom/stop-propagation %2)
                        (st/emit! (start-resize %1 #{(:id shape)} shape)))
         on-rotate #(do (dom/stop-propagation %)
diff --git a/frontend/src/uxbox/main/ui/workspace/viewport.cljs b/frontend/src/uxbox/main/ui/workspace/viewport.cljs
index fb033876e4..fbec6a65aa 100644
--- a/frontend/src/uxbox/main/ui/workspace/viewport.cljs
+++ b/frontend/src/uxbox/main/ui/workspace/viewport.cljs
@@ -38,7 +38,7 @@
 (mf/defc coordinates
   [{:keys [zoom] :as props}]
   (let [coords (some-> (use-rxsub ms/mouse-position)
-                       (gpt/divide zoom)
+                       (gpt/divide (gpt/point zoom zoom))
                        (gpt/round 0))]
     [:ul.coordinates
      [:span {:alt "x"}
diff --git a/frontend/src/uxbox/util/geom/matrix.cljs b/frontend/src/uxbox/util/geom/matrix.cljs
index 9c3acd5fd8..dc190cc243 100644
--- a/frontend/src/uxbox/util/geom/matrix.cljs
+++ b/frontend/src/uxbox/util/geom/matrix.cljs
@@ -2,8 +2,10 @@
 ;; License, v. 2.0. If a copy of the MPL was not distributed with this
 ;; file, You can obtain one at http://mozilla.org/MPL/2.0/.
 ;;
-;; Copyright (c) 2015-2016 Andrey Antukh <niwi@niwi.nz>
-;; Copyright (c) 2015-2016 Juan de la Cruz <delacruzgarciajuan@gmail.com>
+;; This Source Code Form is "Incompatible With Secondary Licenses", as
+;; defined by the Mozilla Public License, v. 2.0.
+;;
+;; Copyright (c) 2015-2020 Andrey Antukh <niwi@niwi.nz>
 
 (ns uxbox.util.geom.matrix
   (:require [cuerdas.core :as str]
@@ -13,50 +15,21 @@
 
 ;; --- Matrix Impl
 
-(defrecord Matrix [a b c d e f])
-
-(defprotocol ICoerce
-  "Matrix coersion protocol."
-  (-matrix [v] "Return a matrix instance."))
-
-(extend-type Matrix
-  cljs.core/IDeref
-  (-deref [v]
-    (mapv #(get v %) [:a :b :c :d :e :f]))
-
+(defrecord Matrix [a b c d e f]
   Object
-  (toString [v]
-    (->> (str/join "," @v)
-         (str/format "matrix(%s)"))))
-
-(extend-protocol ICoerce
-  nil
-  (-matrix [_]
-    (Matrix. 1 0 0 1 0 0))
-
-  Matrix
-  (-matrix [v] v)
-
-  cljs.core/PersistentVector
-  (-matrix [v]
-    (let [[a b c d e f] v]
-      (Matrix. a b c d e f)))
-
-  cljs.core/IndexedSeq
-  (-matrix [v]
-    (let [[a b c d e f] v]
-      (Matrix. a b c d e f))))
+  (toString [_]
+    (str "matrix(" a "," b "," c "," d "," e "," f ")")))
 
 (defn multiply
-  ([m1 m2]
+  ([{m1a :a m1b :b m1c :c m1d :d m1e :e m1f :f :as m1}
+    {m2a :a m2b :b m2c :c m2d :d m2e :e m2f :f :as m2}]
    (Matrix.
-    (+ (* (:a m1) (:a m2)) (* (:c m1) (:b m2)))
-    (+ (* (:b m1) (:a m2)) (* (:d m1) (:b m2)))
-    (+ (* (:a m1) (:c m2)) (* (:c m1) (:d m2)))
-    (+ (* (:b m1) (:c m2)) (* (:d m1) (:d m2)))
-    (+ (* (:a m1) (:e m2)) (* (:c m1) (:f m2)) (:e m1))
-    (+ (* (:b m1) (:e m2)) (* (:d m1) (:f m2)) (:f m1))))
-
+    (+ (* m1a m2a) (* m1c m2b))
+    (+ (* m1b m2a) (* m1d m2b))
+    (+ (* m1a m2c) (* m1c m2d))
+    (+ (* m1b m2c) (* m1d m2d))
+    (+ (* m1a m2e) (* m1c m2f) m1e)
+    (+ (* m1b m2e) (* m1d m2f) m1f)))
   ([m1 m2 & others]
    (reduce multiply (multiply m1 m2) others)))
 
@@ -69,100 +42,28 @@
   "Create a new matrix instance."
   ([]
    (Matrix. 1 0 0 1 0 0))
-  ([v]
-   (-matrix v))
   ([a b c d e f]
    (Matrix. a b c d e f)))
 
 (defn translate-matrix
-  [pt]
-  (let [pt (gpt/point pt)]
-    (Matrix. 1 0 0 1 (:x pt) (:y pt))))
+  [{x :x y :y :as pt}]
+  (assert (gpt/point? pt))
+  (Matrix. 1 0 0 1 x y))
 
 (defn scale-matrix
-  [s]
-  (let [pt (gpt/point s)]
-    (Matrix. (:x pt) 0 0 (:y pt) 0 0)))
+  [{x :x y :y :as pt}]
+  (assert (gpt/point? pt))
+  (Matrix. x 0 0 y 0 0))
 
 (defn rotate-matrix
   [a]
   (let [a (mth/radians a)]
-    (Matrix.
-     (mth/cos a)
-     (mth/sin a)
-     (- (mth/sin a))
-     (mth/cos a)
-     0
-     0)))
-
-;; OLD
-;; (defn rotate
-;;   "Apply rotation transformation to the matrix."
-;;   ([m angle]
-;;    (multiply m (rotate-matrix angle)))
-;;   ([m angle center]
-;;    (multiply m
-;;            (translate-matrix center)
-;;            (rotate-matrix angle)
-;;            (translate-matrix (gpt/negate center)))))
-
-;; -- ROTATE
-;; r = radians(r)
-;; const cos = Math.cos(r)
-;; const sin = Math.sin(r)
-;;
-;; const { a, b, c, d, e, f } = this
-;;
-;; this.a = a * cos - b * sin
-;; this.b = b * cos + a * sin
-;; this.c = c * cos - d * sin
-;; this.d = d * cos + c * sin
-;; this.e = e * cos - f * sin + cy * sin - cx * cos + cx
-;; this.f = f * cos + e * sin - cx * sin - cy * cos + cy
-
-;; (defn rotate
-;;   ([m angle] (rotate m angle (gpt/point 0 0)))
-;;   ([m angle center]
-;;    (let [{:keys [a b c d e f]} m
-;;          {cx :x cy :y} center
-;;          r (mth/radians angle)
-;;          cos (mth/cos r)
-;;          sin (mth/sin r)
-;;          a' (- (* a cos) (* b sin))
-;;          b' (+ (* b cos) (* a sin))
-;;          c' (- (* c cos) (* d sin))
-;;          d' (+ (* d cos) (* c sin))
-;;          e' (+ (- (* e cos) (* f sin))
-;;                 (- (* cy sin) (* cx cos))
-;;                 cx)
-;;          f' (+ (- (+ (* f cos) (* e sin))
-;;                    (* cx sin)
-;;                    (* cy cos))
-;;                 cy)]
-;;      (Matrix. a' b' c' d' e' f'))))
-
-
-;; export function rotate (angle, cx, cy) {
-;;   const cosAngle = cos(angle)
-;;   const sinAngle = sin(angle)
-;;   const rotationMatrix = {
-;;     a: cosAngle,
-;;     c: -sinAngle,
-;;     e: 0,
-;;     b: sinAngle,
-;;     d: cosAngle,
-;;     f: 0
-;;   }
-;;   if (isUndefined(cx) || isUndefined(cy)) {
-;;     return rotationMatrix
-;;   }
-
-;;   return transform([
-;;     translate(cx, cy),
-;;     rotationMatrix,
-;;     translate(-cx, -cy)
-;;   ])
-;; }
+    (Matrix. (mth/cos a)
+             (mth/sin a)
+             (- (mth/sin a))
+             (mth/cos a)
+             0
+             0)))
 
 (defn rotate
   "Apply rotation transformation to the matrix."
@@ -177,85 +78,19 @@
 ;; TODO: temporal backward compatibility
 (def rotate* rotate)
 
-  ;; ([m v] (scale m v v))
-  ;; ([m x y]
-  ;;  (assoc m
-  ;;         :a (* (:a m) x)
-  ;;         :c (* (:c m) x)
-  ;;         :b (* (:b m) y)
-  ;;         :d (* (:d m) y))))
-
-
-
-  ;; scaleO (x, y = x, cx = 0, cy = 0) {
-  ;;   // Support uniform scaling
-  ;;   if (arguments.length === 3) {
-  ;;     cy = cx
-  ;;     cx = y
-  ;;     y = x
-  ;;   }
-
-  ;;   const { a, b, c, d, e, f } = this
-
-  ;;   this.a = a * x
-  ;;   this.b = b * y
-  ;;   this.c = c * x
-  ;;   this.d = d * y
-  ;;   this.e = e * x - cx * x + cx
-  ;;   this.f = f * y - cy * y + cy
-
-  ;;   return this
-  ;; }
-
-;; (defn scale
-;;   "Apply scale transformation to the matrix."
-;;   ([m x] (scale m x x))
-;;   ([m x y]
-;;    (let [{:keys [a b c d e f]} m
-;;          cx 0
-;;          cy 0
-;;          a' (* a x)
-;;          b' (* b y)
-;;          c' (* c x)
-;;          d' (* d y)
-;;          e' (+ cx (- (* e x)
-;;                       (* cx x)))
-;;          f' (+ cy (- (* f y)
-;;                       (* cy y)))]
-;;      (Matrix. a' b' c' d' e f))))
-
 (defn scale
   "Apply scale transformation to the matrix."
-  ([m s] (multiply m (scale-matrix s)))
-  ([m s c]
+  ([m scale] (multiply m (scale-matrix scale)))
+  ([m scale center]
    (multiply m
-             (translate-matrix c)
-             (scale-matrix s)
-             (translate-matrix (gpt/negate c)))))
+             (translate-matrix center)
+             (scale-matrix scale)
+             (translate-matrix (gpt/negate center)))))
 
 (defn translate
   "Apply translate transformation to the matrix."
   [m pt]
-  (let [pt (gpt/point pt)]
-    (multiply m (translate-matrix pt))))
-
-(defn ^boolean invertible?
-  [{:keys [a b c d e f] :as m}]
-  (let [det (- (* a d) (* c b))]
-    (and (not (mth/nan? det))
-         (mth/finite? e)
-         (mth/finite? f))))
-
-(defn invert
-  [{:keys [a b c d e f] :as m}]
-  (when (invertible? m)
-    (let [det (- (* a d) (* c b))]
-      (Matrix. (/ d det)
-               (/ (- b) det)
-               (/ (- c) det)
-               (/ a det)
-               (/ (- (* c f) (* d e)) det)
-               (/ (- (* b e) (* a f)) det)))))
+  (multiply m (translate-matrix pt)))
 
 ;; --- Transit Adapter
 
diff --git a/frontend/src/uxbox/util/geom/path.cljs b/frontend/src/uxbox/util/geom/path.cljs
index d552daee20..baca151128 100644
--- a/frontend/src/uxbox/util/geom/path.cljs
+++ b/frontend/src/uxbox/util/geom/path.cljs
@@ -2,6 +2,9 @@
 ;; License, v. 2.0. If a copy of the MPL was not distributed with this
 ;; file, You can obtain one at http://mozilla.org/MPL/2.0/.
 ;;
+;; This Source Code Form is "Incompatible With Secondary Licenses", as
+;; defined by the Mozilla Public License, v. 2.0.
+;;
 ;; Copyright (c) 2016-2017 Andrey Antukh <niwi@niwi.nz>
 
 (ns uxbox.util.geom.path
diff --git a/frontend/src/uxbox/util/geom/point.cljs b/frontend/src/uxbox/util/geom/point.cljs
index 2d46b4742d..91beeaa374 100644
--- a/frontend/src/uxbox/util/geom/point.cljs
+++ b/frontend/src/uxbox/util/geom/point.cljs
@@ -2,8 +2,10 @@
 ;; License, v. 2.0. If a copy of the MPL was not distributed with this
 ;; file, You can obtain one at http://mozilla.org/MPL/2.0/.
 ;;
-;; Copyright (c) 2015-2017 Andrey Antukh <niwi@niwi.nz>
-;; Copyright (c) 2015-2017 Juan de la Cruz <delacruzgarciajuan@gmail.com>
+;; This Source Code Form is "Incompatible With Secondary Licenses", as
+;; defined by the Mozilla Public License, v. 2.0.
+;;
+;; Copyright (c) 2015-2020 Andrey Antukh <niwi@niwi.nz>
 
 (ns uxbox.util.geom.point
   (:refer-clojure :exclude [divide])
@@ -27,13 +29,6 @@
      (point? v)
      v
 
-     (or (vector? v)
-         (seq? v))
-     (Point. (first v) (second v))
-
-     (map? v)
-     (Point. (:x v) (:y v))
-
      (number? v)
      (Point. v v)
 
@@ -41,105 +36,87 @@
      (throw (ex-info "Invalid arguments" {:v v}))))
   ([x y] (Point. x y)))
 
-(defn rotate
-  "Apply rotation transformation to the point."
-  [p angle]
-  {:pre [(point? p)]}
-  (let [angle (mth/radians angle)
-        sin (mth/sin angle)
-        cos (mth/cos angle)]
-    (Point.
-     (-> (- (* (:x p) cos) (* (:y p) sin))
-         (mth/precision 6))
-     (-> (+ (* (:x p) sin) (* (:y p) cos))
-         (mth/precision 6)))))
-
 (defn add
   "Returns the addition of the supplied value to both
   coordinates of the point as a new point."
-  [p other]
-  {:pre [(point? p)]}
-  (let [other (point other)]
-    (Point. (+ (:x p) (:x other))
-            (+ (:y p) (:y other)))))
+  [{x :x y :y :as p} {ox :x oy :y :as other}]
+  (assert (point? p))
+  (assert (point? other))
+  (Point. (+ x ox) (+ y oy)))
 
 (defn subtract
   "Returns the subtraction of the supplied value to both
   coordinates of the point as a new point."
-  [p other]
-  {:pre [(point? p)]}
-  (let [other (point other)]
-    (Point. (- (:x p) (:x other))
-            (- (:y p) (:y other)))))
-
+  [{x :x y :y :as p} {ox :x oy :y :as other}]
+  (assert (point? p))
+  (assert (point? other))
+  (Point. (- x ox) (- y oy)))
 
 (defn multiply
   "Returns the subtraction of the supplied value to both
   coordinates of the point as a new point."
-  [p other]
-  {:pre [(point? p)]}
-  (let [other (point other)]
-    (Point. (* (:x p) (:x other))
-            (* (:y p) (:y other)))))
+  [{x :x y :y :as p} {ox :x oy :y :as other}]
+  (assert (point? p))
+  (assert (point? other))
+  (Point. (* x ox) (* y oy)))
 
 (defn divide
-  [p other]
-  {:pre [(point? p)]}
-  (let [other (point other)]
-    (Point. (/ (:x p) (:x other))
-            (/ (:y p) (:y other)))))
+  [{x :x y :y :as p} {ox :x oy :y :as other}]
+  (assert (point? p))
+  (assert (point? other))
+  (Point. (/ x ox) (/ y oy)))
 
 (defn negate
-  [p]
-  {:pre [(point? p)]}
-  (let [{:keys [x y]} (point p)]
-    (Point. (- x) (- y))))
+  [{x :x y :y :as p}]
+  (assert (point? p))
+  (Point. (- x) (- y)))
 
 (defn distance
   "Calculate the distance between two points."
-  [p other]
-  (let [other (point other)
-        dx (- (:x p) (:x other))
-        dy (- (:y p) (:y other))]
+  [{x :x y :y :as p} {ox :x oy :y :as other}]
+  (assert (point? p))
+  (assert (point? other))
+  (let [dx (- x ox)
+        dy (- y oy)]
     (-> (mth/sqrt (+ (mth/pow dx 2)
                      (mth/pow dy 2)))
         (mth/precision 6))))
 
 (defn length
-  [p]
-  {:pre [(point? p)]}
-  (mth/sqrt (+ (mth/pow (:x p) 2)
-               (mth/pow (:y p) 2))))
+  [{x :x y :y :as p}]
+  (assert (point? p))
+  (mth/sqrt (+ (mth/pow x 2)
+               (mth/pow y 2))))
 
 (defn angle
   "Returns the smaller angle between two vectors.
   If the second vector is not provided, the angle
   will be measured from x-axis."
-  ([p]
-   (-> (mth/atan2 (:y p) (:x p))
+  ([{x :x y :y :as p}]
+   (-> (mth/atan2 y x)
        (mth/degrees)))
   ([p center]
-   (let [center (point center)]
-     (angle (subtract p center)))))
+   (angle (subtract p center))))
 
 (defn angle-with-other
   "Consider point as vector and calculate
   the angle between two vectors."
-  [p other]
-  {:pre [(point? p)]}
-  (let [other (point other)
-        a (/ (+ (* (:x p) (:x other))
-                (* (:y p) (:y other)))
-             (* (length p) (length other)))
-        a (mth/acos (if (< a -1)
-                      -1
-                      (if (> a 1) 1 a)))]
+  [{x :x y :y :as p} {ox :x oy :y :as other}]
+  (assert (point? p))
+  (assert (point? other))
+  (let [a (/ (+ (* x ox)
+                (* y oy))
+             (* (length p)
+                (length other)))
+        a (mth/acos (if (< a -1) -1 (if (> a 1) 1 a)))]
     (-> (mth/degrees a)
         (mth/precision 6))))
 
 (defn update-angle
   "Update the angle of the point."
   [p angle]
+  (assert (point? p))
+  (assert (number? angle))
   (let [len (length p)
         angle (mth/radians angle)]
     (Point. (* (mth/cos angle) len)
@@ -148,24 +125,25 @@
 (defn quadrant
   "Return the quadrant of the angle of the point."
   [{:keys [x y] :as p}]
-  {:pre [(point? p)]}
+  (assert (point? p))
   (if (>= x 0)
     (if (>= y 0) 1 4)
     (if (>= y 0) 2 3)))
 
 (defn round
   "Change the precision of the point coordinates."
-  [{:keys [x y]} decimanls]
+  [{:keys [x y] :as p} decimanls]
+  (assert (point? p))
+  (assert (number? decimanls))
   (Point. (mth/precision x decimanls)
           (mth/precision y decimanls)))
 
 (defn transform
   "Transform a point applying a matrix transfomation."
-  [pt {:keys [a b c d e f] :as m}]
-  (let [{:keys [x y]} (point pt)]
-    (Point. (+ (* x a) (* y c) e)
-            (+ (* x b) (* y d) f))))
-
+  [{:keys [x y] :as p} {:keys [a b c d e f] :as m}]
+  (assert (point? p))
+  (Point. (+ (* x a) (* y c) e)
+          (+ (* x b) (* y d) f)))
 
 ;; --- Transit Adapter
 
diff --git a/frontend/test/uxbox/tests/test_util_geom.cljs b/frontend/test/uxbox/tests/test_util_geom.cljs
index 4a436f690a..dbd45d453b 100644
--- a/frontend/test/uxbox/tests/test_util_geom.cljs
+++ b/frontend/test/uxbox/tests/test_util_geom.cljs
@@ -1,14 +1,15 @@
 (ns uxbox.tests.test-util-geom
   (:require [cljs.test :as t :include-macros true]
             [cljs.pprint :refer [pprint]]
+            ;; [uxbox.util.geom.point-impl :as gpt2]
+            ;; [uxbox.util.geom.matrix-impl :as gmt2]
             [uxbox.util.geom.point :as gpt]
             [uxbox.util.geom.matrix :as gmt]))
 
 (t/deftest point-constructors-test
   (let [p (gpt/point 1 2)]
     (t/is (= (:x p) 1))
-    (t/is (= (:y p) 2))
-    (t/is (gpt/point? p)))
+    (t/is (= (:y p) 2)))
 
   (let [p (gpt/point 1)]
     (t/is (= (:x p) 1))
@@ -16,34 +17,27 @@
 
   (let [p (gpt/point)]
     (t/is (= (:x p) 0))
-    (t/is (= (:y p) 0)))
+    (t/is (= (:y p) 0))))
 
-  (let [p (gpt/point [1 2])]
-    (t/is (= (:x p) 1))
-    (t/is (= (:y p) 2))))
-
-(t/deftest point-rotate-test
-  (let [p1 (gpt/point 10 0)
-        p2 (gpt/rotate p1 90)]
-    (t/is (= (:x p2) 0))
-    (t/is (= (:y p2) 10))
-    (t/is (gpt/point? p2))))
+;; (t/deftest point-rotate-test
+;;   (let [p1 (gpt/point 10 0)
+;;         p2 (gpt/rotate p1 90)]
+;;     (t/is (= (:x p2) 0))
+;;     (t/is (= (:y p2) 10))))
 
 (t/deftest point-add-test
   (let [p1 (gpt/point 1 1)
         p2 (gpt/point 2 2)
         p3 (gpt/add p1 p2)]
     (t/is (= (:x p3) 3))
-    (t/is (= (:y p3) 3))
-    (t/is (gpt/point? p3))))
+    (t/is (= (:y p3) 3))))
 
 (t/deftest point-subtract-test
   (let [p1 (gpt/point 3 3)
         p2 (gpt/point 2 2)
         p3 (gpt/subtract p1 p2)]
     (t/is (= (:x p3) 1))
-    (t/is (= (:y p3) 1))
-    (t/is (gpt/point? p3))))
+    (t/is (= (:y p3) 1))))
 
 (t/deftest point-distance-test
   (let [p1 (gpt/point 0 0)
@@ -69,46 +63,23 @@
     (t/is (number? angle))
     (t/is (= angle 45))))
 
-(t/deftest point-quadrant-test
-  (let [p1 (gpt/point 10 10)
-        p2 (gpt/point -10 10)
-        p3 (gpt/point -10 -10)
-        p4 (gpt/point 10 -10)]
-
-    (t/is (= 1 (gpt/quadrant p1)))
-    (t/is (= 2 (gpt/quadrant p2)))
-    (t/is (= 3 (gpt/quadrant p3)))
-    (t/is (= 4 (gpt/quadrant p4)))))
-
-
 (t/deftest matrix-constructors-test
   (let [m (gmt/matrix)]
-    (t/is (= @m [1 0 0 1 0 0]))
-    (t/is (gmt/matrix? m)))
+    (t/is (= (str m) "matrix(1,0,0,1,0,0)")))
   (let [m (gmt/matrix 1 1 1 2 2 2)]
-    (t/is (= @m [1 1 1 2 2 2]))
-    (t/is (gmt/matrix? m)))
-  (let [m (gmt/matrix [1 1 1 2 2 2])]
-    (t/is (= @m [1 1 1 2 2 2]))
-    (t/is (gmt/matrix? m))))
+    (t/is (= (str m) "matrix(1,1,1,2,2,2)"))))
+
+(t/deftest matrix-translate-test
+  (let [m (-> (gmt/matrix)
+              (gmt/translate (gpt/point 2 10)))]
+    (t/is (str m) "matrix(1,0,0,1,2,10)")))
+
+(t/deftest matrix-scale-test
+  (let [m (-> (gmt/matrix)
+              (gmt/scale (gpt/point 2)))]
+    (t/is (str m) "matrix(2,0,0,2,0,0)")))
 
 (t/deftest matrix-rotate-test
   (let [m (-> (gmt/matrix)
               (gmt/rotate 10))]
-
-    (t/is (= @m [0.984807753012208
-                 0.17364817766693033
-                 -0.17364817766693033
-                 0.984807753012208
-                 0 0]))))
-
-(t/deftest matrix-scale-test
-  (let [m (-> (gmt/matrix)
-              (gmt/scale 2))]
-    (t/is (= @m [2 0 0 2 0 0]))))
-
-(t/deftest matrix-translate-test
-  (let [m (-> (gmt/matrix)
-              (gmt/translate 2 10))]
-    (t/is (= @m [1 0 0 1 2 10]))))
-
+    (t/is (str m) "matrix(0.984807753012208,0.17364817766693033,-0.17364817766693033,0.984807753012208,0,0)")))