From 40e9ec35f83bb8c8677b315e923aac394b26a4b8 Mon Sep 17 00:00:00 2001
From: "dingfeng.wong" <dingfeng.wong@okg.com>
Date: Tue, 22 Jul 2025 00:49:32 +0800
Subject: [PATCH] t

---
 pcie.scad | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/pcie.scad b/pcie.scad
index cfad590..446d630 100644
--- a/pcie.scad
+++ b/pcie.scad
@@ -67,7 +67,7 @@ module trapezium_with_rectangle_2d(
 
 // Combined shape extruded to 3D with M3 nut hole:
 rect_height_val = 1.7;
-extrude_height = 15;
+extrude_height = 10;
 
 difference() {
     // Main extruded shape
@@ -78,7 +78,7 @@ difference() {
             trap_height = 4.0,
             rect_width = 6.3,
             rect_height = rect_height_val,
-            rect_offset = -rect_height_val/2  // Half of rectangle height to center it at base edge
+            rect_offset = -rect_height_val/2 + 0.01  // Small overlap for clean union
         );
     }
     
@@ -92,7 +92,7 @@ difference() {
     // M3 bolt hole through entire trapezium
     translate([0, 4.0/2, extrude_height/2]) {
         rotate([90, 0, 0]) {
-            cylinder(h = 20, d = 3.2, center = true, $fn = 32);  // Long M3 clearance hole
+            cylinder(h = rect_height_val + 20, d = 3.2, center = true, $fn = 32);  // Long M3 clearance hole
         }
     }
 }
\ No newline at end of file