diff --git a/src/frames/pieces/front-or-back-trapezoid.scad b/src/frames/pieces/front-or-back-trapezoid.scad
index 4cadc90..e42b598 100644
--- a/src/frames/pieces/front-or-back-trapezoid.scad
+++ b/src/frames/pieces/front-or-back-trapezoid.scad
@@ -9,7 +9,7 @@ use <front-or-back.scad>
 
 module clean_front_or_back() {
 	difference() {
-		clean_edge_front_or_back_frame_piece();
+		front_or_back_frame_piece();
 		// chop off the lip we left on the basic piece
 		translate([-frame_x/2+frame_wall/2, 0, 0]) cube([frame_wall, frame_y, frame_z], center=true);
 	};
@@ -17,7 +17,7 @@ module clean_front_or_back() {
 
 module bottom_piece_wall() {
 	// get a slice of the piece (before the bevel), to use it in extruding
-	projection(cut=true) rotate([-90, 0, 0]) translate([0, frame_y/2-(frame_wall-frame_bevel_height)*3/2, 0])
+	projection(cut=true) rotate([-90, 0, 0]) translate([0, frame_y/2-frame_wall+0.01, 0])
 		clean_front_or_back();
 }
 
@@ -25,12 +25,12 @@ module bottom_piece_extension() {
 	// combine the original with a shrunken piece to "pull" the wall out
 	hull() {
 		linear_extrude(height=frame_extension_y) scale([1, 0.5, 1]) bottom_piece_wall();
-		linear_extrude(height=(frame_wall-frame_bevel_height)) bottom_piece_wall();
+		linear_extrude(height=frame_wall) bottom_piece_wall();
 	}
 }
 
 module front_or_back_trapezoid_frame_piece() {
-	clean_front_or_back();
+	clean_edge_front_or_back_frame_piece();
 	translate([0, -frame_y/2+frame_wall, 0]) rotate([90, 0, 0]) bottom_piece_extension();
 }
 
diff --git a/src/frames/pieces/side-trapezoid-extended-to-front-trapezoid.scad b/src/frames/pieces/side-trapezoid-extended-to-front-trapezoid.scad
index dd50a67..f2f9324 100644
--- a/src/frames/pieces/side-trapezoid-extended-to-front-trapezoid.scad
+++ b/src/frames/pieces/side-trapezoid-extended-to-front-trapezoid.scad
@@ -11,18 +11,15 @@ use <front-or-back-trapezoid.scad>
 
 module side_and_bottom_frame_piece_wall() {
 	// get a slice of the pieces, to use it in extruding
-	// this doesn't use the side_frame_piece because of the 45 degree angle geometry
-	// not creating a clean thing to cut, so we just take the whole wall and use that
-	projection(cut=true) rotate([0, 90, 0]) translate([frame_x/2-frame_wall-(frame_bevel_height/2), 0, 0])
-		left_frame();
-	projection(cut=true) translate([0, -frame_y/2+frame_wall, 0]) rotate([90, 90, 0]) bottom_piece_extension();
+	projection(cut=true) rotate([0, 90, 0]) translate([frame_x/2-frame_wall+0.01, 0, 0]) side_frame_piece();
+	projection(cut=true) translate([0, -frame_y/2+frame_wall+0.01, 0]) rotate([90, 90, 0]) bottom_piece_extension();
 }
 
 module side_and_bottom_frame_piece_extension() {
 	// combine the original with a shrunken piece to "pull" the wall out
 	hull() {
 		linear_extrude(height=frame_extension_y) scale([0.5, 0.90, 1]) side_and_bottom_frame_piece_wall();
-		linear_extrude(height=frame_bevel_height) side_and_bottom_frame_piece_wall();
+		linear_extrude(height=frame_wall) side_and_bottom_frame_piece_wall();
 	}
 }
 
@@ -32,7 +29,7 @@ module side_trapezoid_extended_to_front_frame_piece() {
 		// chop off the old edge which is getting replaced with the extension
 		translate([-frame_x/2+frame_bevel_height/2, 0, 0]) cube([frame_bevel_height, frame_y, frame_z], center=true);
 	}
-	translate([-frame_x/2+frame_bevel_height*2, 0, 0]) rotate([0, -90, 0]) side_and_bottom_frame_piece_extension();
+	translate([-frame_x/2+frame_wall, 0, 0]) rotate([0, -90, 0]) side_and_bottom_frame_piece_extension();
 }
 
 side_trapezoid_extended_to_front_frame_piece();
diff --git a/src/frames/pieces/side-trapezoid.scad b/src/frames/pieces/side-trapezoid.scad
index 0e3161f..246afa3 100644
--- a/src/frames/pieces/side-trapezoid.scad
+++ b/src/frames/pieces/side-trapezoid.scad
@@ -10,17 +10,14 @@ use <side.scad>
 
 module side_frame_piece_wall() {
 	// get a slice of the piece, to use it in extruding
-	// this doesn't use the side_frame_piece because of the 45 degree angle geometry
-	// not creating a clean thing to cut, so we just take the whole wall and use that
-	projection(cut=true) rotate([0, 90, 0]) translate([frame_x/2-frame_wall-(frame_bevel_height/2), 0, 0])
-		left_frame();
+	projection(cut=true) rotate([0, 90, 0]) translate([frame_x/2-frame_wall+0.01, 0, 0]) side_frame_piece();
 }
 
 module side_frame_piece_extension() {
 	// combine the original with a shrunken piece to "pull" the wall out
 	hull() {
 		linear_extrude(height=frame_extension_y) scale([0.5, 0.85, 1]) side_frame_piece_wall();
-		linear_extrude(height=frame_bevel_height) side_frame_piece_wall();
+		linear_extrude(height=frame_wall) side_frame_piece_wall();
 	}
 }
 
@@ -30,7 +27,7 @@ module side_trapezoid_frame_piece() {
 		// chop off the old edge which is getting replaced with the extension
 		translate([-frame_x/2+frame_bevel_height/2, 0, 0]) cube([frame_bevel_height, frame_y, frame_z], center=true);
 	}
-	translate([-frame_x/2+frame_bevel_height*2, 0, 0]) rotate([0, -90, 0]) side_frame_piece_extension();
+	translate([-frame_x/2+frame_wall, 0, 0]) rotate([0, -90, 0]) side_frame_piece_extension();
 }
 
 side_trapezoid_frame_piece();
diff --git a/src/parameters.scad b/src/parameters.scad
index 99a8bc4..554e542 100644
--- a/src/parameters.scad
+++ b/src/parameters.scad
@@ -74,7 +74,7 @@ frame_extension_y = 25;
 
 // this sinks the bottom and top of the frame inward a bit, and is used to math out two shapes
 // when creating the frame box / overhang panel
-frame_bevel_height = 2;
+frame_bevel_height = 1.25;
 overhang_panel_bevel_height = 1;
 
 frame_center_to_neutrik = 70;