diff --git a/src/misc/m4-hex-spacer-sleeve.scad b/src/misc/m4-hex-spacer-sleeve.scad
new file mode 100644
index 0000000..8bd0b37
--- /dev/null
+++ b/src/misc/m4-hex-spacer-sleeve.scad
@@ -0,0 +1,24 @@
+/* Wrap a smaller width hex spacer with plastic to get it to fit in our standard post hole.
+ *
+ * Since the hex spacers can vary in width, you may have to adjust the inner dimensions
+ * to make this work right for your piece, but this worked right for mine. YMMV.
+ *
+ * SPDX-FileCopyrightText: © 2025 Brian S. Stephan <bss@incorporeal.org>
+ * SPDX-License-Identifier: GPL-3.0-or-later
+ */
+include <parameters.scad>
+include <components.scad>
+
+module small_m4_hole() {
+	scale([1, 1, 2]) cylinder(r=3.25, h=frame_z, $fn=6, center=true);
+}
+
+module m4_hex_spacer_sleeve() {
+	difference() {
+		resize([0, 0, 45]) frame_hex_bolt_hole();
+		small_m4_hole();
+	}
+}
+
+
+m4_hex_spacer_sleeve();