diff --git a/LICENSE.md b/LICENSE.md
index e3522a2..61d6a03 100644
--- a/LICENSE.md
+++ b/LICENSE.md
@@ -44,6 +44,7 @@ The WASM build was made possible by https://github.com/DSchroer/openscad-wasm.
   + [YAPP_Box](#yapp-box)
   + [Stemfie_OpenSCAD](#stemfie-openscad)
   + [UB.scad](#ubscad)
+  + [pathbuilder](#pathbuilder)
 
 ## Manifold
 
@@ -737,6 +738,34 @@ THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 ```
 
+## pathbuilder
+
+https://github.com/dinther/pathbuilder
+
+```
+MIT License
+
+Copyright (c) 2021 Paul van Dinther
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
+```
+
 ## Common licenses
 
 These are linked from a few of the packages listed above.
diff --git a/Makefile b/Makefile
index c73b770..0094b9c 100644
--- a/Makefile
+++ b/Makefile
@@ -27,6 +27,7 @@ public: \
 		public/libraries/openscad-tray.zip \
 		public/libraries/closepoints.zip \
 		public/libraries/Stemfie_OpenSCAD.zip \
+		public/libraries/pathbuilder.zip \
 		public/libraries/UB.scad.zip
 
 clean:
@@ -49,7 +50,7 @@ libs/openscad-wasm:
 	( cd libs/openscad-wasm && unzip ../openscad-wasm.zip )
 	rm libs/openscad-wasm.zip
 	rm -f src/wasm
-	ln -sf $(shell pwd)/libs/openscad-wasm src/wasm
+	ln -sf "$(shell pwd)/libs/openscad-wasm" src/wasm
 	
 public/openscad.js: libs/openscad-wasm
 	cp libs/openscad-wasm/openscad.{js,wasm} public
@@ -128,6 +129,13 @@ public/libraries/Stemfie_OpenSCAD.zip: libs/Stemfie_OpenSCAD
 	mkdir -p public/libraries
 	( cd libs/Stemfie_OpenSCAD ; zip -r ../../public/libraries/Stemfie_OpenSCAD.zip *.scad LICENSE )
 
+libs/pathbuilder: 
+	git clone --recurse https://github.com/dinther/pathbuilder.git ${SHALLOW} ${SINGLE_BRANCH_MAIN} $@
+
+public/libraries/pathbuilder.zip: libs/pathbuilder
+	mkdir -p public/libraries
+	( cd libs/pathbuilder ; zip -r ../../public/libraries/pathbuilder.zip *.scad demo/*.scad LICENSE )
+
 # libs/threads: 
 # 	git clone --recurse https://github.com/rcolyer/threads.git ${SHALLOW} ${SINGLE_BRANCH} $@
 
diff --git a/src/fs/zip-archives.ts b/src/fs/zip-archives.ts
index 64f99c9..4293358 100644
--- a/src/fs/zip-archives.ts
+++ b/src/fs/zip-archives.ts
@@ -155,6 +155,13 @@ export const zipArchives: ZipArchives = {
     },
     symlinks: {"ub.scad": "libraries/ub.scad"}, // TODO change this after the replaces work
   },
+  'pathbuilder': {
+    gitOrigin: {
+      branch: 'main',
+      repoUrl: 'https://github.com/dinther/pathbuilder.git',
+      include: [{glob: ['**/*.scad', 'LICENSE']}],
+    },
+  },
 };
 
 export const deployedArchiveNames =