added own OpenScad models

openscad/own/ashtray_cust_extinguisher/ashtray_cust_extinguisher.scad

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+// by zeus - zeus@ctdo.de - CC-BY-NC-4.0
+// -> https://www.thingiverse.com/zeus
+// -> https://github.com/zeus86
+// 2014-11-05
+// remix of "Ashtray" by TrevM 29/04/2014
+
+/* [Global] */
+
+// What quality?
+$fn = 100;	// [20,40,60,80,100,120,140,160,180]
+
+// Outside radius?
+or = 65;	// [20:100]
+
+// Inside radius?
+ir = 59;	// [20:100]
+
+// Height?
+hi = 35;	// [10:50]
+
+// Number of slots?
+num = 5;	// [2:10]
+
+// Base bevel height?
+bh = 4;		// [2:5]
+
+/* [Hidden] */
+
+ang = 360/num;
+thk = or-ir+2;
+fr = 3.5;
+fr2 = fr * 2;
+
+
+module extinguisher(){
+	difference(){
+		translate([0,0,bh]){cylinder(r1 = 12, r2 = 7, h = hi);}
+		translate([0,0,bh+0.6]){cylinder(r1 = 4.5, r2 = 5.25, h = hi-0.5);}
+	}
+}
+
+
+// base
+cylinder( r1 = or-bh/2, r2 = or, h = bh);
+translate([0,0,bh-0.1])
+	difference()
+	{
+		// outside
+		cylinder(r = or, h = hi);
+		// inside
+		translate([0,0,-0.1])	cylinder(r = ir, h = hi+0.2);
+		// fag slots
+		translate([0,0,hi-7])	for (n=[1:num])
+			rotate([0,0,(n-1)*ang])	slot();
+		
+	}
+
+module slot()
+	translate([ir-1,0,0])
+	{
+		rotate([0,90,0])	cylinder(r=3.5,h=thk);
+		translate([0,-fr,0])	rotate([-8,0,0])	cube([thk,fr2,10]);
+		translate([0,-fr,0])	rotate([8,0,0])	cube([thk,fr2,10]);
+	}
+extinguisher();
+
+