From fe3bdff7dd8f6678c81afd03f56704a4af96f727 Mon Sep 17 00:00:00 2001
From: Tonton Th <tth@linda.buvette.org>
Date: Wed, 11 Feb 2026 00:00:47 +0100
Subject: [PATCH] better hole borders

---
 xperiment.inc | 36 +++++++++++++++++++++++++++---------
 1 file changed, 27 insertions(+), 9 deletions(-)

diff --git a/xperiment.inc b/xperiment.inc
index cf4b86f..78c066f 100644
--- a/xperiment.inc
+++ b/xperiment.inc
@@ -9,20 +9,38 @@
 /*
  *	nouveau : Tue Feb 10 12:42:43 AM UTC 2026
  */
-#macro HoleBorder (V)
+#macro HoleBorder_A (V)
 difference {
-	#local RA = V * R_hole * 1.005;
-	#local RB = V * R_hole * 0.995;
-	cylinder { 0, y*0.22, RA }
-	cylinder { -y, y*2, RB }
+	#local RA = V * R_hole * 1.004;
+	#local RB = V * R_hole * 0.996;
+	cylinder { 0, y*0.42, RA }
+	cylinder { -y, y*2,   RB }
+	#for (foo, 0, 179, 6)
+	  cylinder	{
+			<-20, 0, 0>, < 20, 0, 0>, 0.07
+			scale <1, 2, 1>  translate y*0.21
+			rotate y*foo
+			}
+	#end		// for
 	#local R = rand(Rng1);
-	#if (R < 0.50)
-	  texture { LeGris }
-	#else
-	  texture { T_Beton_1 }
+	#if (R < 0.42)	texture { LeGris }
+	#else		texture { T_Beton_1 }
 	#end
 	}
 #end
+/* --------------------------------------------------------------- */
+#macro HoleBorder_B (V)
+union	{
+	#local Ra = R_hole * 1.02;
+	#local Rb = 0.04;
+	torus { Ra, Rb texture { tPlasticBlue }
+				translate y*0.50	}
+	torus { Ra, Rb texture { T_WIP_color }
+				translate y*0.80	}
+	torus { Ra, Rb texture { T_WIP_dents }
+				translate y*1.10	}
+	}
+#end
 /* =============================================================== */
 /*
  *	new Tue Dec 30 07:39:09 AM UTC 2025