diff --git a/debian/bootstrap b/debian/bootstrap
index da4e2c8..964895e 100755
--- a/debian/bootstrap
+++ b/debian/bootstrap
@@ -36,6 +36,13 @@ then
         source <(curl -fsSL https://raw.githubusercontent.com/mapitman/linux-bootstrap/main/debian/install-makemkv)
     fi
 
+    printf "Install 3D printing tools (PrusaSlicer, FreeCAD, OpenSCAD)? "
+    read -r REPLY </dev/tty
+    if [[ $REPLY =~ ^[Yy]$ ]]
+    then
+        source <(curl -fsSL https://raw.githubusercontent.com/mapitman/linux-bootstrap/main/debian/install-3d-printing-packages)
+    fi
+
     # Install Ghostty catppuccin theme
     source <(curl -fsSL https://raw.githubusercontent.com/mapitman/linux-bootstrap/main/generic/install-ghostty-catppuccin-theme)
 fi
diff --git a/debian/install-3d-printing-packages b/debian/install-3d-printing-packages
new file mode 100755
index 0000000..3d926ff
--- /dev/null
+++ b/debian/install-3d-printing-packages
@@ -0,0 +1,23 @@
+#!/usr/bin/env bash
+# source <(curl -fsSL https://raw.githubusercontent.com/mapitman/linux-bootstrap/main/debian/install-3d-printing-packages)
+
+# Install PrusaSlicer
+if ! flatpak list | grep -q com.prusa3d.PrusaSlicer; then
+    sudo flatpak install -y flathub com.prusa3d.PrusaSlicer || echo "WARNING: PrusaSlicer install failed"
+else
+    echo "PrusaSlicer is already installed, skipping."
+fi
+
+# Install FreeCAD
+if ! flatpak list | grep -q org.freecad.FreeCAD; then
+    sudo flatpak install -y flathub org.freecad.FreeCAD || echo "WARNING: FreeCAD install failed"
+else
+    echo "FreeCAD is already installed, skipping."
+fi
+
+# Install OpenSCAD
+if ! flatpak list | grep -q org.openscad.OpenSCAD; then
+    sudo flatpak install -y flathub org.openscad.OpenSCAD || echo "WARNING: OpenSCAD install failed"
+else
+    echo "OpenSCAD is already installed, skipping."
+fi
diff --git a/debian/install-desktop-packages b/debian/install-desktop-packages
index 82bd9ca..63431dc 100755
--- a/debian/install-desktop-packages
+++ b/debian/install-desktop-packages
@@ -26,6 +26,7 @@ code \
 darktable \
 evolution \
 evolution-ews \
+flatpak \
 fonts-cascadia-code \
 fonts-firacode \
 ghostty \
@@ -53,6 +54,14 @@ if [ ! -d "$HOME/.wine" ]; then
     WINEARCH=win64 WINEDEBUG=-all wineboot --init
 fi
 
+# Set up Flathub remote and install Flatseal (Flatpak permissions manager)
+sudo flatpak remote-add --if-not-exists flathub https://dl.flathub.org/repo/flathub.flatpakrepo
+if ! flatpak list | grep -q com.github.tchx84.Flatseal; then
+    sudo flatpak install -y flathub com.github.tchx84.Flatseal || echo "WARNING: Flatseal install failed"
+else
+    echo "Flatseal is already installed, skipping."
+fi
+
 # Pango 1.56.x workaround: when FONTCONFIG_FILE is unset (or set to the default
 # /etc/fonts/fonts.conf path), Pango's font-loading thread pool hits a stack
 # corruption bug processing cache-11 entries for variable fonts (Cascadia Code,