From dc3e4a233a79437465bf72aef51b5e18a82cd201 Mon Sep 17 00:00:00 2001
From: Ian Jackson <ijackson@chiark.greenend.org.uk>
Date: Sat, 3 Jun 2017 18:41:07 +0100
Subject: [PATCH] sewing-table: TEST: use MachineEnvelope, for perf

---
 sewing-table.scad.m4 | 16 +++++++++++++++-
 1 file changed, 15 insertions(+), 1 deletion(-)

diff --git a/sewing-table.scad.m4 b/sewing-table.scad.m4
index 0cca623..fad6530 100644
--- a/sewing-table.scad.m4
+++ b/sewing-table.scad.m4
@@ -192,7 +192,7 @@ module TileBase(botleft, topright){
 	}
 	shufflesz = max(test_edge, tile_hard_edge_hole_dist)*2;
 	minkowski(){
-	  Machine();
+	  MachineEnvelope();
 	  cube(shufflesz, center=true);
 	}
       }
@@ -529,6 +529,19 @@ module Machine(){ ////toplevel
   Machine_Curves();
 }
 
+module MachineEnvelope(){
+  // used for testing
+  p_arm_bl = [-cutout_tile11_x, -cutout_tile01_y];
+  y_arm_t  = cutout_tile11_y;
+  p_crv_fl = p_arm_bl + [rearedge_len, -frontcurve_avoid_y];
+  y_crv_b  = y_arm_t + rearcurve_avoid_y;
+
+  translate([0,0,-50]) linear_extrude(height= 100){
+    translate(p_arm_bl) square([400, y_arm_t] - p_arm_bl);
+    translate(p_crv_fl) square([400, y_crv_b] - p_crv_fl);
+  }
+}
+
 function Rectangle_corners(c0, sz) =
   // returns the corners of a rectangle from c0 to c0+sz
   // if sz is positive, the corners are anticlockwise starting with c0
@@ -755,3 +768,4 @@ module Demo(){ ////toplevel
 //Machine_Curves();
 //Machine();
 //FitTest();
+//MachineEnvelope();
-- 
2.30.2