diff --git a/blender/PKGBUILD b/blender/PKGBUILD
index 2da4f0cfd..bea7a0c30 100644
--- a/blender/PKGBUILD
+++ b/blender/PKGBUILD
@@ -5,7 +5,7 @@ pkgver=2.77a
 _gittag=v${pkgver}
 #_gitcommit=c6b042be
 [[ -n ${_gitcommit} ]] && pkgver=${pkgver}.git1.${_gitcommit}
-pkgrel=1
+pkgrel=2
 epoch=2
 pkgdesc="A fully integrated 3D graphics creation suite"
 arch=('x86_64')
diff --git a/opencollada/PKGBUILD b/opencollada/PKGBUILD
index fe8281e9a..6c6b3bee2 100644
--- a/opencollada/PKGBUILD
+++ b/opencollada/PKGBUILD
@@ -1,25 +1,20 @@
-#
-# Chakra Packages for Chakra, part of chakra-project.org
-#
-# maintainer almack@chakra-project.org
-# contributor Sven-Hendrik Haase <sh@lutzhaase.com>
-
 pkgname=opencollada
-pkgver=20140108
-pkgrel=2
+pkgver=1.6.25
+pkgrel=1
+epoch=1
 pkgdesc="Stream based reader and writer library for COLLADA files"
 arch=('x86_64')
 url="https://github.com/KhronosGroup/OpenCOLLADA"
 license=('GPL')
 depends=('libxml2' 'pcre' 'boost')
-makedepends=('git' 'cmake')
-source=('opencollada.conf'
-        'git://github.com/KhronosGroup/OpenCOLLADA.git')
-md5sums=('5f7e9d79ab86756648b648ee5ed6ce1d'
-         'SKIP')
+makedepends=('cmake')
+source=("https://github.com/KhronosGroup/OpenCOLLADA/archive/v$pkgver.tar.gz"
+        'opencollada.conf')
+sha1sums=('0f27a355bb85b881388744164a071163532b3a08'
+          '5fe78d788742428856633c65d864aae2977e82a5')
 
 build() {
-  cd "$srcdir"/OpenCOLLADA
+  cd "$srcdir"/OpenCOLLADA-$pkgver
 
   [[ -d build ]] && rm -r build
   mkdir build && cd build
@@ -32,7 +27,7 @@ build() {
 }
 
 package() {
-  cd "$srcdir"/OpenCOLLADA/build
+  cd "$srcdir"/OpenCOLLADA-$pkgver/build
 
   make DESTDIR=$pkgdir install
 
diff --git a/openimageio/PKGBUILD b/openimageio/PKGBUILD
index 9843d156b..5c6d9b009 100644
--- a/openimageio/PKGBUILD
+++ b/openimageio/PKGBUILD
@@ -1,27 +1,26 @@
-# Maintainer: UtG  <utg[dot]chakra.linux[at]gmail[dot]com>
-
 pkgname=openimageio
-pkgver=1.6.11
+pkgver=1.6.16
 pkgrel=1
 pkgdesc="A library for reading and writing images, including classes, utilities, and applications."
-arch=(x86_64)
+arch=('x86_64')
 url="http://www.openimageio.org/"
 license=('custom')
 depends=('openexr' 'boost-libs' 'jasper' 'glew' 'libtiff' 'opencolorio' 'intel-tbb'
          'ffmpeg' 'openssl' 'libraw' 'openjpeg' 'libwebp')
-makedepends=('cmake' 'qt' 'python2' 'boost' 'mesa' 'git')
+makedepends=('cmake' 'qt' 'python2' 'boost' 'mesa')
 optdepends=('qt: iv image viewer'
             'python2: bindings support')
-source=(git+git://github.com/OpenImageIO/oiio.git#tag=Release-${pkgver})
-md5sums=('SKIP')
+source=("https://github.com/OpenImageIO/oiio/archive/Release-$pkgver.tar.gz")
+sha1sums=('688e1716d9660fd8d14e48105a2a207eeddc30e3')
 
 build() {
-  cd oiio
+  cd oiio-Release-$pkgver
 
   [[ -d build ]] && rm -r build
   mkdir build && cd build
 
   cmake \
+      -DUSE_OPENSSL=ON \
       -DCMAKE_INSTALL_PREFIX=/usr \
       -DPYLIB_INSTALL_DIR=lib/python2.7/site-packages \
       -DOIIO_BUILD_TESTS=OFF \
@@ -30,7 +29,7 @@ build() {
 }
 
 package() {
-  cd oiio/build
+  cd oiio-Release-$pkgver/build
 
   make DESTDIR="$pkgdir" install
 
diff --git a/opensubdiv/PKGBUILD b/opensubdiv/PKGBUILD
new file mode 100644
index 000000000..9b0ba23c0
--- /dev/null
+++ b/opensubdiv/PKGBUILD
@@ -0,0 +1,36 @@
+pkgname=opensubdiv
+pkgver=3.0.5
+pkgrel=1
+pkgdesc="An Open-Source subdivision surface library"
+arch=('x86_64')
+url="http://graphics.pixar.com/opensubdiv"
+license=('apache')
+depends=('zlib' 'ptex' 'intel-tbb')
+makedepends=('cmake' 'doxygen' 'glfw' 'glew' 'python2' 'python2-pygments' 'python2-docutils' 'opencl-headers')
+source=("https://github.com/PixarAnimationStudios/OpenSubdiv/archive/v${pkgver//./_}.tar.gz")
+sha1sums=('089ab9e1042a4ac6c219034d2ef8db15b636a1a8')
+
+prepare() {
+    cd "OpenSubdiv-${pkgver//./_}"
+
+    find . -name \*.py | xargs sed -i "s/env python/env python2/g"
+}
+
+build() {
+    cd "OpenSubdiv-${pkgver//./_}"
+
+    rm -rf build
+    mkdir build && cd build
+
+    cmake .. \
+        -DCMAKE_BUILD_TYPE=Release \
+        -DCMAKE_INSTALL_PREFIX=/usr
+}
+
+package() {
+    cd "OpenSubdiv-${pkgver//./_}"/build
+
+    make DESTDIR="$pkgdir/" install
+
+    rm -rf ${pkgdir}/usr/bin
+}