diff --git a/.gitattributes b/.gitattributes
index 7629b9c..0f5aa9c 100644
--- a/.gitattributes
+++ b/.gitattributes
@@ -1,2 +1,3 @@
 ETC.obj filter=lfs diff=lfs merge=lfs -text
 *.blend filter=lfs diff=lfs merge=lfs -text
+*.pptx filter=lfs diff=lfs merge=lfs -text
diff --git a/presentation/biorender.pptx b/presentation/biorender.pptx
new file mode 100644
index 0000000..07a3a2c
--- /dev/null
+++ b/presentation/biorender.pptx
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:cd9c699e042ae5005cc9fb9acaae27279a9e61b23d43d20262da5e53aef4cd86
+size 26208025