diff --git a/gridfinity-rebuilt-base.scad b/gridfinity-rebuilt-base.scad
index 4ae98ea..33e96d2 100644
--- a/gridfinity-rebuilt-base.scad
+++ b/gridfinity-rebuilt-base.scad
@@ -190,7 +190,7 @@ module block_cutter(x,y,w,h,t,s) {
     
     v_len_tab = d_tabh;
     v_len_lip = d_wall2-d_wall+1.2;
-    v_cut_tab = d_tabh - (4*r_f1)/tan(a_tab); 
+    v_cut_tab = d_tabh - (2*r_f1)/tan(a_tab); 
     v_cut_lip = d_wall2-d_wall-d_clear;
     v_ang_tab = a_tab;
     v_ang_lip = 45;
diff --git a/gridfinity-rebuilt.scad b/gridfinity-rebuilt.scad
index 1fcf898..6d9a9d8 100644
--- a/gridfinity-rebuilt.scad
+++ b/gridfinity-rebuilt.scad
@@ -64,7 +64,7 @@ r_hole2 = 3.25; // magnet hole radius
 d_hole = 26;    // center-to-center distance between holes
 h_hole = 2.4;   // magnet hole depth
 
-r_f1 = 0.3;     // top edge fillet radius
+r_f1 = 0.6;     // top edge fillet radius
 r_f2 = 2.8;     // internal fillet radius
 
 d_div = 1.2;    // width of divider between compartments