diff --git a/src/dactyl_keyboard/dactyl.clj b/src/dactyl_keyboard/dactyl.clj
index e51eb17..c1bf186 100644
--- a/src/dactyl_keyboard/dactyl.clj
+++ b/src/dactyl_keyboard/dactyl.clj
@@ -73,6 +73,7 @@
 (def sa-profile-key-height 12.7)
 
 (def plate-thickness 3)
+(def side-nub-thickness 4)
 (def retention-tab-thickness 1.5)
 (def retention-tab-hole-thickness (- plate-thickness retention-tab-thickness))
 (def mount-width (+ keyswitch-width 3))
@@ -90,10 +91,11 @@
         side-nub (->> (binding [*fn* 30] (cylinder 1 2.75))
                       (rotate (/ π 2) [1 0 0])
                       (translate [(+ (/ keyswitch-width 2)) 0 1])
-                      (hull (->> (cube 1.5 2.75 plate-thickness)
+                      (hull (->> (cube 1.5 2.75 side-nub-thickness)
                                  (translate [(+ (/ 1.5 2) (/ keyswitch-width 2))
                                              0
-                                             (/ plate-thickness 2)]))))
+                                             (/ side-nub-thickness 2)])))
+                      (translate [0 0 (- plate-thickness side-nub-thickness)]))
         plate-half (union top-wall left-wall (if create-side-nubs? (with-fn 100 side-nub)))
         top-nub (->> (cube 5 5 (- plate-thickness retention-tab-hole-thickness))
                      (translate [(+ (/ keyswitch-width 2)) 0 (/ retention-tab-hole-thickness 2)]))