Kreissegment überarbeitet

Signed-off-by: Stephan Richter <s.richter@srsoftware.de>

Backfrom.scad

@@ -1,2 +1,18 @@
+border_height = 15;
+imprint_height = 11;
+scale_by = 0.3;
+factor = [scale_by,scale_by,scale_by];
+
+linear_extrude(height=imprint_height)
+scale(factor)
+translate([-0.8,2,0])
 import("imprint-polyline.svg", center = true);
+
+
+linear_extrude(height=border_height)
+scale(factor)
 import("outline-polyline.svg", center = true);
+
+linear_extrude(height=1)
+scale(factor)
+import("scale-down.svg", center = true);