From 89efa44388965eebb78ff3420adc18eef18e4bb8 Mon Sep 17 00:00:00 2001
From: SoftFever <softfeverever@gmail.com>
Date: Wed, 13 Sep 2023 21:49:40 +0800
Subject: [PATCH] tweak prime tower display

---
 src/slic3r/GUI/3DScene.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/slic3r/GUI/3DScene.cpp b/src/slic3r/GUI/3DScene.cpp
index e4b9030aa..be821f64f 100644
--- a/src/slic3r/GUI/3DScene.cpp
+++ b/src/slic3r/GUI/3DScene.cpp
@@ -1183,6 +1183,9 @@ int GLVolumeCollection::load_wipe_tower_preview(
     mesh.merge(brim_mesh);
 #endif
 
+    // Orca: make it transparent
+    for(auto& color : colors)
+        color[3] = 0.66f;
     volumes.emplace_back(new GLWipeTowerVolume(colors));
     GLWipeTowerVolume& v = *dynamic_cast<GLWipeTowerVolume*>(volumes.back());
     v.iva_per_colors.resize(colors.size());