From: Ian Jackson <ijackson@chiark.greenend.org.uk>
Date: Mon, 21 Apr 2025 10:12:47 +0000 (+0100)
Subject: toolbox-inserts: cavity model
X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=commitdiff_plain;h=2bc8b8ef1f7800120e79eb17d63705aac7b84e63;p=reprap-play.git

toolbox-inserts: cavity model

Signed-off-by: Ian Jackson <ijackson@chiark.greenend.org.uk>
---

diff --git a/toolbox-inserts.scad b/toolbox-inserts.scad
index cf3099e..05cd0dd 100644
--- a/toolbox-inserts.scad
+++ b/toolbox-inserts.scad
@@ -2,6 +2,13 @@
 
 include <utils.scad>
 
+box_y = 149.4 - 0.5;
+box_x = 309.2 - 0.5;
+box_cnr_r = 26.5 + 3;
+box_main_z = 35.0 - 0.5;
+box_edge_z_hindent = 0.5;
+box_edge_width = 10;
+
 well_surround_wall = 2.5;
 well_stiffening_height = 5;
 
@@ -81,3 +88,31 @@ module DriverHandleHolder() { ////toplevel
   ])
     DriverHandlePositive();
 }
+
+module BoxCavityModelMainPlan() {
+  hull(){
+    for (xsg=[-1,+1]) {
+      for (ysg=[-1,+1]) {
+	translate([ xsg * (box_x/2 + box_cnr_r),
+		    ysg * (box_y/2 + box_cnr_r) ])
+	  circle(box_cnr_r);
+      }
+    }
+  }
+}
+
+module BoxCavityModel() { ////toplevel
+  translate([ 0,0, 0 ]) {
+    linextr(0, box_main_z)
+      BoxCavityModelMainPlan();
+    for (z = [-box_edge_z_hindent, box_main_z-10 + box_edge_z_hindent]) {
+      linextr(z, z+10) {
+	difference(){
+	  BoxCavityModelMainPlan();
+	  offset(r = -box_edge_width)
+	    BoxCavityModelMainPlan();
+	}
+      }
+    }
+  }
+}