diff --git a/src/dactyl_keyboard/dactyl.clj b/src/dactyl_keyboard/dactyl.clj
index f183cec..f259170 100644
--- a/src/dactyl_keyboard/dactyl.clj
+++ b/src/dactyl_keyboard/dactyl.clj
@@ -329,7 +329,7 @@
        (rotate (deg2rad -34) [0 1 0])
        (rotate (deg2rad  35) [0 0 1])
        (translate thumborigin)
-       (translate [-39 -43 -18])))
+       (translate [-38 -42.5 -17])))
 (defn thumb-bl-place [shape]
   (->> shape
        (rotate (deg2rad   6) [1 0 0])