diff -urN wf-/way.c wf/way.c
--- wf-/way.c	2016-01-25 00:00:00.000000000 +0900
+++ wf/way.c	2016-01-26 00:00:00.000000000 +0900
@@ -213,9 +213,12 @@
 		pos_t p;
 		double r, sec1, t;
 		if((n = sscanf(s, "p=(%lf,%lf,%lf),r=%lf,sec1=%lf,t=%lf", &p.x, &p.y, &p.z, &r, &sec1, &t)) != 6){
-			if((n = sscanf(s, "p=(%lf,%lf,%lf)", &p.x, &p.y, &p.z)) != 3) ERR("foramat");
-			r = 0;
-			sec1 = 1;
+			if((n = sscanf(s, "p=(%lf,%lf,%lf),r=%lf,t=%lf", &p.x, &p.y, &p.z, &r, &t)) != 5){
+				if((n = sscanf(s, "p=(%lf,%lf,%lf)", &p.x, &p.y, &p.z)) != 3) ERR("foramat");
+				r = 0;
+				t = 1;
+			}
+			sec1 = 3;
 		}
 		d3_set(&ps, p.x-r, p.y-r, p.z-r);
 		d3_set(&pe, p.x+r, p.y+r, p.z+r);
diff -urN wf-/wf_ex.c wf/wf_ex.c
--- wf-/wf_ex.c	2016-01-25 00:00:00.000000000 +0900
+++ wf/wf_ex.c	2016-01-26 00:00:00.000000000 +0900
@@ -532,6 +532,16 @@
 		    { type_end } }},
 		  .data = { type_cross, (pos_t[]){{-1,0,0},{1,0,0}} } }};
 
+		data_t *fan = &(data_t){ type_op_data_set, &(struct op_data_set){
+		  .op = { type_arr, (data_t[]){
+		    { type_zoom_and_slide, (d3_t[]){D3_ALL(4),{0,0,0}} },
+		    { type_copy_rot, &(struct copy_rot){.n=5, .l=LINE_Y,.step_deg=360.0/5} },
+		    { type_slide, &(d3_t){0,0,2} },
+		    { type_rot_way, &(struct rot_way){.l=LINE_Y,.deg_way=WAY_V2(0,360.0/5*20*20, 20,20, 3)} },
+		    { type_copy_rot, &(struct copy_rot){.n=5,.l=LINE_Y,.step_deg=360.0/5} },
+		    { type_end } }},
+		  .data = { type_bar, (pos_t[]){ {0.2,0,0}, D3_X } } }};
+
 		struct{
 			char *key;
 			data_t *data;
@@ -549,6 +559,7 @@
 		  { "-ripple", (data_t[]){ *ripple, { type_end } } },
 		  { "-wave", (data_t[]){ *wave, { type_end } } },
 		  { "-wave2", (data_t[]){ *wave2, { type_end } } },
+		  { "-fan", (data_t[]){ *fan, { type_end } } },
 		  { NULL, (data_t[]){ { type_end } } }
 		}, *dp = demos;