diff --git a/src/blown-up-demo.scad b/src/blown-up-demo.scad
index 72c5dea..2e8d172 100644
--- a/src/blown-up-demo.scad
+++ b/src/blown-up-demo.scad
@@ -16,6 +16,7 @@
  * the Buildable Stick System. If not, see <https://www.gnu.org/licenses/>.
  */
 
+include <parameters.scad>
 include <components.scad>
 use <frame-left.scad>
 use <frame-right.scad>
diff --git a/src/bottom-panel-inset.scad b/src/bottom-panel-inset.scad
index 4483044..c1eadf6 100644
--- a/src/bottom-panel-inset.scad
+++ b/src/bottom-panel-inset.scad
@@ -16,6 +16,7 @@
  * the Buildable Stick System. If not, see <https://www.gnu.org/licenses/>.
  */
 
+include <parameters.scad>
 include <components.scad>
 
 module bottom_panel() {
diff --git a/src/bottom-panel-left.scad b/src/bottom-panel-left.scad
index e45ebc2..eaf7e06 100644
--- a/src/bottom-panel-left.scad
+++ b/src/bottom-panel-left.scad
@@ -16,6 +16,7 @@
  * the Buildable Stick System. If not, see <https://www.gnu.org/licenses/>.
  */
 
+include <parameters.scad>
 include <components.scad>
 use <bottom-panel-solo.scad>
 
diff --git a/src/bottom-panel-middle.scad b/src/bottom-panel-middle.scad
index d4ab448..9262618 100644
--- a/src/bottom-panel-middle.scad
+++ b/src/bottom-panel-middle.scad
@@ -16,6 +16,7 @@
  * the Buildable Stick System. If not, see <https://www.gnu.org/licenses/>.
  */
 
+include <parameters.scad>
 include <components.scad>
 use <bottom-panel-left.scad>
 use <bottom-panel-right.scad>
diff --git a/src/bottom-panel-right.scad b/src/bottom-panel-right.scad
index 1881053..0dd33a6 100644
--- a/src/bottom-panel-right.scad
+++ b/src/bottom-panel-right.scad
@@ -16,6 +16,7 @@
  * the Buildable Stick System. If not, see <https://www.gnu.org/licenses/>.
  */
 
+include <parameters.scad>
 include <components.scad>
 use <bottom-panel-left.scad>
 
diff --git a/src/bottom-panel-solo.scad b/src/bottom-panel-solo.scad
index cac179e..cd926e2 100644
--- a/src/bottom-panel-solo.scad
+++ b/src/bottom-panel-solo.scad
@@ -16,6 +16,7 @@
  * the Buildable Stick System. If not, see <https://www.gnu.org/licenses/>.
  */
 
+include <parameters.scad>
 include <components.scad>
 
 module bottom_panel_solo() {
diff --git a/src/components.scad b/src/components.scad
index 09a8f0f..eeca5ce 100644
--- a/src/components.scad
+++ b/src/components.scad
@@ -18,75 +18,6 @@
 
 include <roundedcube.scad>
 
-/* QUASI-CONSTANTS */
-
-// adjustments
-hole_tolerance = 0.15;
-
-// M2
-m2_screw_selftap_radius = 0.95;
-
-// M3
-m3_screw_selftap_radius = 1.3;
-
-// M4
-m4_bolt_radius = 2 + hole_tolerance;
-m4_bolt_countersink_radius = 6.1 + hole_tolerance;
-m4_bolt_hex_exterior_radius = 3.6 + hole_tolerance;
-
-// 24mm button
-small_button_radius = 12 + hole_tolerance;
-
-// 30mm button
-big_button_radius = 15 + hole_tolerance;
-
-// JLF mount dimensions
-lever_mount_x = 53;
-lever_mount_y = 95;
-lever_mount_z = 2;
-
-// standard lever hole
-lever_plate_hole = 12;
-
-// case dimensions
-// base frame box. reminder: top of inside (including mounts) is chopped by top_plate_z for plates
-frame_x = 233;
-frame_y = 208;
-frame_z = 50;
-
-// depth of the "lip" of the frame that the top plate sets into/supports the overhang
-frame_wall = 4;
-
-// per neutrik (mm)
-neutrik_panel_thickness = 3;
-
-// top plate, which can either be the whole plate ("inset") or the mounting frame for a plate that overhangs
-top_plate_x = frame_x - (frame_wall * 2);
-top_plate_y = frame_y - (frame_wall * 2);
-top_plate_z = 5;
-
-// how much the top plate x/y is expanded to overhang the frame
-// note that this is relative to the top plate (so the wall is added back)
-top_plate_overhang_amount = 8.5;
-overhang_top_plate_x = top_plate_x + (frame_wall * 2) + (top_plate_overhang_amount * 2);
-overhang_top_plate_y = top_plate_y + (frame_wall * 2) + (top_plate_overhang_amount * 2);
-
-plate_to_frame_point_x = (top_plate_x/2)-10;
-plate_to_frame_point_y = (top_plate_y/2)-10;
-
-// frame interior that supports the top plates
-panel_support_width = 5;
-
-// neutrik D screw holes
-neutrik_d_screw_radius = 1.6 + hole_tolerance;
-neutrik_d_radius = 12 + hole_tolerance;
-
-// additional button radius for decorative panels, etc.
-decorative_radius_scale = 1.75;
-jumbo_decorative_radius_scale = 2;
-
-/* PARTS */
-
 module m4_hole() {
 	cylinder(r=m4_bolt_radius, h=100, $fn=50, center=true);
 }
diff --git a/src/frame-left.scad b/src/frame-left.scad
index 9eba693..9f8f668 100644
--- a/src/frame-left.scad
+++ b/src/frame-left.scad
@@ -16,6 +16,7 @@
  * the Buildable Stick System. If not, see <https://www.gnu.org/licenses/>.
  */
 
+include <parameters.scad>
 include <components.scad>
 
 module base_left_frame() {
diff --git a/src/frame-middle.scad b/src/frame-middle.scad
index dfeb7a1..12a7b6c 100644
--- a/src/frame-middle.scad
+++ b/src/frame-middle.scad
@@ -16,6 +16,7 @@
  * the Buildable Stick System. If not, see <https://www.gnu.org/licenses/>.
  */
 
+include <parameters.scad>
 include <components.scad>
 
 module base_middle_frame() {
diff --git a/src/frame-right.scad b/src/frame-right.scad
index 60c2a41..a7de9bd 100644
--- a/src/frame-right.scad
+++ b/src/frame-right.scad
@@ -16,6 +16,7 @@
  * the Buildable Stick System. If not, see <https://www.gnu.org/licenses/>.
  */
 
+include <parameters.scad>
 include <components.scad>
 
 module base_right_frame() {
diff --git a/src/frame-solo.scad b/src/frame-solo.scad
index 67d0e71..23d6f70 100644
--- a/src/frame-solo.scad
+++ b/src/frame-solo.scad
@@ -16,6 +16,7 @@
  * the Buildable Stick System. If not, see <https://www.gnu.org/licenses/>.
  */
 
+include <parameters.scad>
 include <components.scad>
 
 module solo_frame() {
diff --git a/src/misc-decorative-plate-24mm-button.scad b/src/misc-decorative-plate-24mm-button.scad
index e1ba36f..c7b9814 100644
--- a/src/misc-decorative-plate-24mm-button.scad
+++ b/src/misc-decorative-plate-24mm-button.scad
@@ -16,6 +16,7 @@
  * the Buildable Stick System. If not, see <https://www.gnu.org/licenses/>.
  */
 
+include <parameters.scad>
 include <components.scad>
 
 module button_24mm_decorative_plate() {
diff --git a/src/misc-decorative-plate-dir_arc-plus-w-24mm-8-button.scad b/src/misc-decorative-plate-dir_arc-plus-w-24mm-8-button.scad
index 659ab6c..d91dd63 100644
--- a/src/misc-decorative-plate-dir_arc-plus-w-24mm-8-button.scad
+++ b/src/misc-decorative-plate-dir_arc-plus-w-24mm-8-button.scad
@@ -16,6 +16,7 @@
  * the Buildable Stick System. If not, see <https://www.gnu.org/licenses/>.
  */
 
+include <parameters.scad>
 include <components.scad>
 
 module dir_arc_plus_w_24mm_8_button_decorative_plate() {
diff --git a/src/misc-decorative-plate-dir_arc-plus-w-30mm-and-sega-2p-plus-one.scad b/src/misc-decorative-plate-dir_arc-plus-w-30mm-and-sega-2p-plus-one.scad
index df335f3..0035206 100644
--- a/src/misc-decorative-plate-dir_arc-plus-w-30mm-and-sega-2p-plus-one.scad
+++ b/src/misc-decorative-plate-dir_arc-plus-w-30mm-and-sega-2p-plus-one.scad
@@ -16,6 +16,7 @@
  * the Buildable Stick System. If not, see <https://www.gnu.org/licenses/>.
  */
 
+include <parameters.scad>
 include <components.scad>
 
 module dir_arc_plus_w_30mm_and_sega_2p_plus_one_decorative_plate() {
diff --git a/src/misc-decorative-plate-dir_arc-plus-w-30mm.scad b/src/misc-decorative-plate-dir_arc-plus-w-30mm.scad
index c1e0ea2..7706f87 100644
--- a/src/misc-decorative-plate-dir_arc-plus-w-30mm.scad
+++ b/src/misc-decorative-plate-dir_arc-plus-w-30mm.scad
@@ -16,6 +16,7 @@
  * the Buildable Stick System. If not, see <https://www.gnu.org/licenses/>.
  */
 
+include <parameters.scad>
 include <components.scad>
 
 module dir_arc_plus_w_30mm_decorative_plate() {
diff --git a/src/misc-decorative-plate-sega-2p-6-button.scad b/src/misc-decorative-plate-sega-2p-6-button.scad
index 5dcb4f1..0203892 100644
--- a/src/misc-decorative-plate-sega-2p-6-button.scad
+++ b/src/misc-decorative-plate-sega-2p-6-button.scad
@@ -16,6 +16,7 @@
  * the Buildable Stick System. If not, see <https://www.gnu.org/licenses/>.
  */
 
+include <parameters.scad>
 include <components.scad>
 
 module sega_2p_6_button_decorative_plate() {
diff --git a/src/misc-decorative-plate-sega-2p-plus-one.scad b/src/misc-decorative-plate-sega-2p-plus-one.scad
index aad854c..2e34406 100644
--- a/src/misc-decorative-plate-sega-2p-plus-one.scad
+++ b/src/misc-decorative-plate-sega-2p-plus-one.scad
@@ -16,6 +16,7 @@
  * the Buildable Stick System. If not, see <https://www.gnu.org/licenses/>.
  */
 
+include <parameters.scad>
 include <components.scad>
 
 module sega_2p_plus_one_decorative_plate() {
diff --git a/src/misc-dustwasher-jlf.scad b/src/misc-dustwasher-jlf.scad
index 88bb0aa..4495cf4 100644
--- a/src/misc-dustwasher-jlf.scad
+++ b/src/misc-dustwasher-jlf.scad
@@ -16,6 +16,7 @@
  * the Buildable Stick System. If not, see <https://www.gnu.org/licenses/>.
  */
 
+include <parameters.scad>
 include <components.scad>
 
 module jlf_dustwasher() {
diff --git a/src/misc-dustwasher-lsx-nobi.scad b/src/misc-dustwasher-lsx-nobi.scad
index 3124fdc..6b1eb36 100644
--- a/src/misc-dustwasher-lsx-nobi.scad
+++ b/src/misc-dustwasher-lsx-nobi.scad
@@ -16,6 +16,7 @@
  * the Buildable Stick System. If not, see <https://www.gnu.org/licenses/>.
  */
 
+include <parameters.scad>
 include <components.scad>
 
 module lsx_nobi_dustwasher() {
diff --git a/src/misc-neutrik-d-plate-20mm-hole.scad b/src/misc-neutrik-d-plate-20mm-hole.scad
index 3d80948..f2f3a12 100644
--- a/src/misc-neutrik-d-plate-20mm-hole.scad
+++ b/src/misc-neutrik-d-plate-20mm-hole.scad
@@ -16,6 +16,7 @@
  * the Buildable Stick System. If not, see <https://www.gnu.org/licenses/>.
  */
 
+include <parameters.scad>
 include <components.scad>
 use <misc-neutrik-d-plate.scad>
 
diff --git a/src/misc-neutrik-d-plate-24mm-hole.scad b/src/misc-neutrik-d-plate-24mm-hole.scad
index 9ac86e3..5888510 100644
--- a/src/misc-neutrik-d-plate-24mm-hole.scad
+++ b/src/misc-neutrik-d-plate-24mm-hole.scad
@@ -16,6 +16,7 @@
  * the Buildable Stick System. If not, see <https://www.gnu.org/licenses/>.
  */
 
+include <parameters.scad>
 include <components.scad>
 use <misc-neutrik-d-plate.scad>
 
diff --git a/src/misc-neutrik-d-plate.scad b/src/misc-neutrik-d-plate.scad
index aabba24..9bde289 100644
--- a/src/misc-neutrik-d-plate.scad
+++ b/src/misc-neutrik-d-plate.scad
@@ -16,6 +16,7 @@
  * the Buildable Stick System. If not, see <https://www.gnu.org/licenses/>.
  */
 
+include <parameters.scad>
 include <components.scad>
 
 module neutrik_d_plate() {
diff --git a/src/parameters.scad b/src/parameters.scad
new file mode 100644
index 0000000..67928d6
--- /dev/null
+++ b/src/parameters.scad
@@ -0,0 +1,82 @@
+/* Copyright Brian Stephan 2023
+ *
+ * This file is part of the Buildable Stick System.
+ *
+ * The Buildable Stick System is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by the
+ * Free Software Foundation, either version 3 of the License, or (at your
+ * option) any later version.
+ *
+ * The Buildable Stick System is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * the Buildable Stick System. If not, see <https://www.gnu.org/licenses/>.
+ */
+
+// adjustments
+hole_tolerance = 0.15;
+
+// M2
+m2_screw_selftap_radius = 0.95;
+
+// M3
+m3_screw_selftap_radius = 1.3;
+
+// M4
+m4_bolt_radius = 2 + hole_tolerance;
+m4_bolt_countersink_radius = 6.1 + hole_tolerance;
+m4_bolt_hex_exterior_radius = 3.6 + hole_tolerance;
+
+// 24mm button
+small_button_radius = 12 + hole_tolerance;
+
+// 30mm button
+big_button_radius = 15 + hole_tolerance;
+
+// JLF mount dimensions
+lever_mount_x = 53;
+lever_mount_y = 95;
+lever_mount_z = 2;
+
+// standard lever hole
+lever_plate_hole = 12;
+
+// case dimensions
+// base frame box. reminder: top of inside (including mounts) is chopped by top_plate_z for plates
+frame_x = 233;
+frame_y = 208;
+frame_z = 50;
+
+// depth of the "lip" of the frame that the top plate sets into/supports the overhang
+frame_wall = 4;
+
+// per neutrik (mm)
+neutrik_panel_thickness = 3;
+
+// top plate, which can either be the whole plate ("inset") or the mounting frame for a plate that overhangs
+top_plate_x = frame_x - (frame_wall * 2);
+top_plate_y = frame_y - (frame_wall * 2);
+top_plate_z = 5;
+
+// how much the top plate x/y is expanded to overhang the frame
+// note that this is relative to the top plate (so the wall is added back)
+top_plate_overhang_amount = 8.5;
+overhang_top_plate_x = top_plate_x + (frame_wall * 2) + (top_plate_overhang_amount * 2);
+overhang_top_plate_y = top_plate_y + (frame_wall * 2) + (top_plate_overhang_amount * 2);
+
+plate_to_frame_point_x = (top_plate_x/2)-10;
+plate_to_frame_point_y = (top_plate_y/2)-10;
+
+// frame interior that supports the top plates
+panel_support_width = 5;
+
+// neutrik D screw holes
+neutrik_d_screw_radius = 1.6 + hole_tolerance;
+neutrik_d_radius = 12 + hole_tolerance;
+
+// additional button radius for decorative panels, etc.
+decorative_radius_scale = 1.75;
+jumbo_decorative_radius_scale = 2;
diff --git a/src/top-panel-inset-dir_arc-plus-w-30mm-plus-one-with-mount.scad b/src/top-panel-inset-dir_arc-plus-w-30mm-plus-one-with-mount.scad
index 3e825ba..2b88fd8 100644
--- a/src/top-panel-inset-dir_arc-plus-w-30mm-plus-one-with-mount.scad
+++ b/src/top-panel-inset-dir_arc-plus-w-30mm-plus-one-with-mount.scad
@@ -16,6 +16,7 @@
  * the Buildable Stick System. If not, see <https://www.gnu.org/licenses/>.
  */
 
+include <parameters.scad>
 include <components.scad>
 use <top-panel-inset-dir_arc-plus-w-30mm-plus-one.scad>
 
diff --git a/src/top-panel-inset-dir_arc-plus-w-30mm-plus-one.scad b/src/top-panel-inset-dir_arc-plus-w-30mm-plus-one.scad
index 6e2f9fc..5ed8468 100644
--- a/src/top-panel-inset-dir_arc-plus-w-30mm-plus-one.scad
+++ b/src/top-panel-inset-dir_arc-plus-w-30mm-plus-one.scad
@@ -16,6 +16,7 @@
  * the Buildable Stick System. If not, see <https://www.gnu.org/licenses/>.
  */
 
+include <parameters.scad>
 include <components.scad>
 
 module dir_arc_w_30mm_plus_one_panel() {
diff --git a/src/top-panel-inset-lever-and-dir_arc-plus-w-30mm.scad b/src/top-panel-inset-lever-and-dir_arc-plus-w-30mm.scad
index c331d7f..832ad0a 100644
--- a/src/top-panel-inset-lever-and-dir_arc-plus-w-30mm.scad
+++ b/src/top-panel-inset-lever-and-dir_arc-plus-w-30mm.scad
@@ -16,6 +16,7 @@
  * the Buildable Stick System. If not, see <https://www.gnu.org/licenses/>.
  */
 
+include <parameters.scad>
 include <components.scad>
 
 module top_panel_inset_lever_and_dir_arc_w_30mm() {
diff --git a/src/top-panel-inset-lever-with-mount.scad b/src/top-panel-inset-lever-with-mount.scad
index 8c7b792..4e0846c 100644
--- a/src/top-panel-inset-lever-with-mount.scad
+++ b/src/top-panel-inset-lever-with-mount.scad
@@ -16,6 +16,7 @@
  * the Buildable Stick System. If not, see <https://www.gnu.org/licenses/>.
  */
 
+include <parameters.scad>
 include <components.scad>
 use <top-panel-inset-lever.scad>
 
diff --git a/src/top-panel-inset-lever.scad b/src/top-panel-inset-lever.scad
index 5b8a5df..f71184d 100644
--- a/src/top-panel-inset-lever.scad
+++ b/src/top-panel-inset-lever.scad
@@ -16,6 +16,7 @@
  * the Buildable Stick System. If not, see <https://www.gnu.org/licenses/>.
  */
 
+include <parameters.scad>
 include <components.scad>
 
 // combine the lever mount and generic plate, with mounting holes
diff --git a/src/top-panel-inset-namco-noir-plus-one.scad b/src/top-panel-inset-namco-noir-plus-one.scad
index f585fcc..4709dd8 100644
--- a/src/top-panel-inset-namco-noir-plus-one.scad
+++ b/src/top-panel-inset-namco-noir-plus-one.scad
@@ -16,6 +16,7 @@
  * the Buildable Stick System. If not, see <https://www.gnu.org/licenses/>.
  */
 
+include <parameters.scad>
 include <components.scad>
 
 module namco_noir_plus_one_panel() {
diff --git a/src/top-panel-inset-namco-noir-plus-two.scad b/src/top-panel-inset-namco-noir-plus-two.scad
index d775b31..d68bcf4 100644
--- a/src/top-panel-inset-namco-noir-plus-two.scad
+++ b/src/top-panel-inset-namco-noir-plus-two.scad
@@ -16,6 +16,7 @@
  * the Buildable Stick System. If not, see <https://www.gnu.org/licenses/>.
  */
 
+include <parameters.scad>
 include <components.scad>
 
 module namco_noir_plus_two_panel() {
diff --git a/src/top-panel-inset-sega-2p-plus-one-plus-control-with-mount.scad b/src/top-panel-inset-sega-2p-plus-one-plus-control-with-mount.scad
index 82629d2..65534c6 100644
--- a/src/top-panel-inset-sega-2p-plus-one-plus-control-with-mount.scad
+++ b/src/top-panel-inset-sega-2p-plus-one-plus-control-with-mount.scad
@@ -16,6 +16,7 @@
  * the Buildable Stick System. If not, see <https://www.gnu.org/licenses/>.
  */
 
+include <parameters.scad>
 include <components.scad>
 use <top-panel-inset-sega-2p-plus-one-plus-control.scad>
 
diff --git a/src/top-panel-inset-sega-2p-plus-one-plus-control.scad b/src/top-panel-inset-sega-2p-plus-one-plus-control.scad
index 890c3cb..9781756 100644
--- a/src/top-panel-inset-sega-2p-plus-one-plus-control.scad
+++ b/src/top-panel-inset-sega-2p-plus-one-plus-control.scad
@@ -16,6 +16,7 @@
  * the Buildable Stick System. If not, see <https://www.gnu.org/licenses/>.
  */
 
+include <parameters.scad>
 include <components.scad>
 
 module top_panel_inset_sega_2p_plus_one_plus_control() {
diff --git a/src/top-panel-inset-sega-2p-plus-one.scad b/src/top-panel-inset-sega-2p-plus-one.scad
index 657b0be..3407591 100644
--- a/src/top-panel-inset-sega-2p-plus-one.scad
+++ b/src/top-panel-inset-sega-2p-plus-one.scad
@@ -16,6 +16,7 @@
  * the Buildable Stick System. If not, see <https://www.gnu.org/licenses/>.
  */
 
+include <parameters.scad>
 include <components.scad>
 
 module sega_2p_plus_one_panel() {
diff --git a/src/top-panel-left-lever-and-dir_arc-plus-w-30mm.scad b/src/top-panel-left-lever-and-dir_arc-plus-w-30mm.scad
index 57ab259..a4d11f9 100644
--- a/src/top-panel-left-lever-and-dir_arc-plus-w-30mm.scad
+++ b/src/top-panel-left-lever-and-dir_arc-plus-w-30mm.scad
@@ -16,6 +16,7 @@
  * the Buildable Stick System. If not, see <https://www.gnu.org/licenses/>.
  */
 
+include <parameters.scad>
 include <components.scad>
 
 module top_panel_left_lever_and_dir_arc_w_30mm() {
diff --git a/src/top-panel-left-lever.scad b/src/top-panel-left-lever.scad
index 2dd30dd..4e4172e 100644
--- a/src/top-panel-left-lever.scad
+++ b/src/top-panel-left-lever.scad
@@ -16,6 +16,7 @@
  * the Buildable Stick System. If not, see <https://www.gnu.org/licenses/>.
  */
 
+include <parameters.scad>
 include <components.scad>
 
 // combine the lever mount and generic plate, with mounting holes
diff --git a/src/top-panel-middle-dir_arc-plus-w-30mm-with-mount.scad b/src/top-panel-middle-dir_arc-plus-w-30mm-with-mount.scad
index 283d15b..94de937 100644
--- a/src/top-panel-middle-dir_arc-plus-w-30mm-with-mount.scad
+++ b/src/top-panel-middle-dir_arc-plus-w-30mm-with-mount.scad
@@ -16,6 +16,7 @@
  * the Buildable Stick System. If not, see <https://www.gnu.org/licenses/>.
  */
 
+include <parameters.scad>
 include <components.scad>
 use <top-panel-middle-dir_arc-plus-w-30mm.scad>
 
diff --git a/src/top-panel-middle-dir_arc-plus-w-30mm.scad b/src/top-panel-middle-dir_arc-plus-w-30mm.scad
index 1aab53a..3526153 100644
--- a/src/top-panel-middle-dir_arc-plus-w-30mm.scad
+++ b/src/top-panel-middle-dir_arc-plus-w-30mm.scad
@@ -16,6 +16,7 @@
  * the Buildable Stick System. If not, see <https://www.gnu.org/licenses/>.
  */
 
+include <parameters.scad>
 include <components.scad>
 
 module top_panel_middle_dir_arc_w_30mm() {
diff --git a/src/top-panel-right-sega-2p-plus-one-plus-control-with-mount-with-oled.scad b/src/top-panel-right-sega-2p-plus-one-plus-control-with-mount-with-oled.scad
index 92893eb..864c9be 100644
--- a/src/top-panel-right-sega-2p-plus-one-plus-control-with-mount-with-oled.scad
+++ b/src/top-panel-right-sega-2p-plus-one-plus-control-with-mount-with-oled.scad
@@ -16,6 +16,7 @@
  * the Buildable Stick System. If not, see <https://www.gnu.org/licenses/>.
  */
 
+include <parameters.scad>
 include <components.scad>
 use <top-panel-right-sega-2p-plus-one-plus-control-with-mount.scad>
 
diff --git a/src/top-panel-right-sega-2p-plus-one-plus-control-with-mount.scad b/src/top-panel-right-sega-2p-plus-one-plus-control-with-mount.scad
index 3d24c60..1a8ae13 100644
--- a/src/top-panel-right-sega-2p-plus-one-plus-control-with-mount.scad
+++ b/src/top-panel-right-sega-2p-plus-one-plus-control-with-mount.scad
@@ -16,6 +16,7 @@
  * the Buildable Stick System. If not, see <https://www.gnu.org/licenses/>.
  */
 
+include <parameters.scad>
 include <components.scad>
 use <top-panel-right-sega-2p-plus-one-plus-control.scad>
 
diff --git a/src/top-panel-right-sega-2p-plus-one-plus-control.scad b/src/top-panel-right-sega-2p-plus-one-plus-control.scad
index 1b2fc0c..76fe079 100644
--- a/src/top-panel-right-sega-2p-plus-one-plus-control.scad
+++ b/src/top-panel-right-sega-2p-plus-one-plus-control.scad
@@ -16,6 +16,7 @@
  * the Buildable Stick System. If not, see <https://www.gnu.org/licenses/>.
  */
 
+include <parameters.scad>
 include <components.scad>
 
 module top_panel_right_sega_2p_plus_one_plus_control() {
diff --git a/src/top-panel-right-sega-2p-plus-one-with-mount.scad b/src/top-panel-right-sega-2p-plus-one-with-mount.scad
index dadc6ef..fcb4319 100644
--- a/src/top-panel-right-sega-2p-plus-one-with-mount.scad
+++ b/src/top-panel-right-sega-2p-plus-one-with-mount.scad
@@ -16,6 +16,7 @@
  * the Buildable Stick System. If not, see <https://www.gnu.org/licenses/>.
  */
 
+include <parameters.scad>
 include <components.scad>
 use <top-panel-right-sega-2p-plus-one.scad>
 
diff --git a/src/top-panel-right-sega-2p-plus-one.scad b/src/top-panel-right-sega-2p-plus-one.scad
index 93ebab0..bc31468 100644
--- a/src/top-panel-right-sega-2p-plus-one.scad
+++ b/src/top-panel-right-sega-2p-plus-one.scad
@@ -16,6 +16,7 @@
  * the Buildable Stick System. If not, see <https://www.gnu.org/licenses/>.
  */
 
+include <parameters.scad>
 include <components.scad>
 
 module top_panel_right_sega_2p_plus_one() {
diff --git a/src/top-panel-solo-dir_arc-24mm-6-button.scad b/src/top-panel-solo-dir_arc-24mm-6-button.scad
index 48dce97..c37b4e3 100644
--- a/src/top-panel-solo-dir_arc-24mm-6-button.scad
+++ b/src/top-panel-solo-dir_arc-24mm-6-button.scad
@@ -16,6 +16,7 @@
  * the Buildable Stick System. If not, see <https://www.gnu.org/licenses/>.
  */
 
+include <parameters.scad>
 include <components.scad>
 
 module dir_arc_24mm_6_button_panel() {
diff --git a/src/top-panel-solo-dir_arc-plus-w-24mm-8-button.scad b/src/top-panel-solo-dir_arc-plus-w-24mm-8-button.scad
index 9163cee..ecdd926 100644
--- a/src/top-panel-solo-dir_arc-plus-w-24mm-8-button.scad
+++ b/src/top-panel-solo-dir_arc-plus-w-24mm-8-button.scad
@@ -16,6 +16,7 @@
  * the Buildable Stick System. If not, see <https://www.gnu.org/licenses/>.
  */
 
+include <parameters.scad>
 include <components.scad>
 
 module dir_arc_plus_w_24mm_8_button_panel() {
diff --git a/src/top-panel-solo-lever-and-sega-2p-6-button.scad b/src/top-panel-solo-lever-and-sega-2p-6-button.scad
index df840db..adcaf36 100644
--- a/src/top-panel-solo-lever-and-sega-2p-6-button.scad
+++ b/src/top-panel-solo-lever-and-sega-2p-6-button.scad
@@ -16,6 +16,7 @@
  * the Buildable Stick System. If not, see <https://www.gnu.org/licenses/>.
  */
 
+include <parameters.scad>
 include <components.scad>
 
 module top_panel_solo_lever_and_sega_2p_6_button() {