Clifford Wolf:

	Added projection() statement



git-svn-id: http://svn.clifford.at/openscad/trunk@372 b57f626f-c46c-0410-a088-ec61d464b74c

1 files changed, 32 insertions, 0 deletions

diff --git a/examples/example021.scad b/examples/example021.scad
new file mode 100644
index 0000000..f5dfb78
--- /dev/null
+++ b/examples/example021.scad
@@ -0,0 +1,32 @@
+
+module thing()
+{
+	$fa = 30;
+	difference() {
+		sphere(r = 25);
+		cylinder(h = 62.5, r1 = 12.5, r2 = 6.25, center = true);
+		rotate(90, [ 1, 0, 0 ]) cylinder(h = 62.5,
+				r1 = 12.5, r2 = 6.25, center = true);
+		rotate(90, [ 0, 1, 0 ]) cylinder(h = 62.5,
+				r1 = 12.5, r2 = 6.25, center = true);
+	}
+}
+
+module demo_proj()
+{
+	linear_extrude(center = true, height = 0.5) projection(cut = false) thing();
+	% thing();
+}
+
+module demo_cut()
+{
+	for (i=[-20:5:+20]) {
+		 rotate(-30, [ 1, 1, 0 ]) translate([ 0, 0, -i ])
+			linear_extrude(center = true, height = 0.5) projection(cut = true)
+				translate([ 0, 0, i ]) rotate(+30, [ 1, 1, 0 ]) thing();
+	}
+	% thing();
+}
+
+translate([ -30, 0, 0 ]) demo_proj();
+translate([ +30, 0, 0 ]) demo_cut();