diff --git a/show/dance2018/effect/hexfill.n3 b/show/dance2018/effect/hexfill.n3
new file mode 100644
--- /dev/null
+++ b/show/dance2018/effect/hexfill.n3
@@ -0,0 +1,21 @@
+@prefix : <http://light9.bigasterisk.com/> .
+@prefix dev: <http://light9.bigasterisk.com/device/> .
+@prefix eff: <http://light9.bigasterisk.com/effect/hexfill/> .
+@prefix effect: <http://light9.bigasterisk.com/effect/> .
+@prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
+@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
+@prefix show: <http://light9.bigasterisk.com/show/dance2018/> .
+@prefix xml: <http://www.w3.org/XML/1998/namespace> .
+@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .
+
+
+effect:hexfill a :Effect; rdfs:label "hexfill"; :publishAttr :strength;
+     :setting eff:set3731580, eff:set478568, eff:set4994903, eff:set5502755, eff:set7193635, eff:set7443590, eff:set813044, eff:set825846 .
+eff:set3731580 :device dev:backlight4; :deviceAttr :color; :scaledValue "#efefef" .
+eff:set478568 :device dev:backlight2; :deviceAttr :color; :scaledValue "#bababa" .
+eff:set4994903 :device dev:backlight3; :deviceAttr :color; :scaledValue "#7d7d7d" .
+eff:set5502755 :device dev:down2; :deviceAttr :color; :scaledValue "#ffffff" .
+eff:set7193635 :device dev:down4; :deviceAttr :color; :scaledValue "#dedede" .
+eff:set7443590 :device dev:down3; :deviceAttr :color; :scaledValue "#c8c8c8" .
+eff:set813044 :device dev:backlight1; :deviceAttr :color; :scaledValue "#808080" .
+eff:set825846 :device dev:down5Edge; :deviceAttr :color; :scaledValue "#dddddd" .