diff --git a/addons/material_maker/engine/gen_base.gd b/addons/material_maker/engine/gen_base.gd
index 3611a75..7c5c050 100644
--- a/addons/material_maker/engine/gen_base.gd
+++ b/addons/material_maker/engine/gen_base.gd
@@ -204,7 +204,7 @@ func get_shader_code(uv : String, output_index : int, context : MMGenContext) ->
 	var rv = _get_shader_code(uv, output_index, context)
 	while rv is GDScriptFunctionState:
 		rv = yield(rv, "completed")
-	if rv.has("type"):
+	if rv.has("type") and mm_io_types.types.has(rv.type):
 		if mm_io_types.types[rv.type].has("convert"):
 			for c in mm_io_types.types[rv.type].convert:
 				if !rv.has(c.type):
diff --git a/addons/material_maker/nodes/mul_detect.mmg b/addons/material_maker/nodes/mul_detect.mmg
new file mode 100644
index 0000000..bb58248
--- /dev/null
+++ b/addons/material_maker/nodes/mul_detect.mmg
@@ -0,0 +1,60 @@
+{
+	"name": "mul_detect",
+	"node_position": {
+		"x": 0,
+		"y": 0
+	},
+	"parameters": {
+		"t": 0.01,
+		"v": 0.5
+	},
+	"shader_model": {
+		"code": "float $(name_uv)_d = ($in($uv)-$v)/$t;",
+		"global": "",
+		"inputs": [
+			{
+				"default": "1.0",
+				"label": "",
+				"name": "mul",
+				"type": "f"
+			},
+			{
+				"default": "0.0",
+				"label": "",
+				"name": "in",
+				"type": "f"
+			}
+		],
+		"instance": "",
+		"name": "MulDetect",
+		"outputs": [
+			{
+				"f": "$mul($uv)*clamp(1.0-$(name_uv)_d*$(name_uv)_d, 0.0, 1.0)",
+				"type": "f"
+			}
+		],
+		"parameters": [
+			{
+				"control": "None",
+				"default": 0.5,
+				"label": "Value",
+				"max": 1,
+				"min": 0,
+				"name": "v",
+				"step": 0.01,
+				"type": "float"
+			},
+			{
+				"control": "None",
+				"default": 0.1,
+				"label": "Tolerance",
+				"max": 1,
+				"min": 0.01,
+				"name": "t",
+				"step": 0.001,
+				"type": "float"
+			}
+		]
+	},
+	"type": "shader"
+}
\ No newline at end of file
diff --git a/addons/material_maker/nodes/raymarching.mmg b/addons/material_maker/nodes/raymarching.mmg
index 770058a..20012a6 100644
--- a/addons/material_maker/nodes/raymarching.mmg
+++ b/addons/material_maker/nodes/raymarching.mmg
@@ -8,7 +8,7 @@
 
 	},
 	"shader_model": {
-		"code": "float $(name_uv)_d = raymarch_$name($uv);\n",
+		"code": "vec2 $(name_uv)_d = raymarch_$name($uv);\n",
 		"global": "",
 		"inputs": [
 			{
@@ -16,19 +16,23 @@
 				"function": true,
 				"label": "",
 				"name": "sdf",
-				"type": "sdf3d"
+				"type": "sdf3dc"
 			}
 		],
-		"instance": "float input_$name(vec3 p) {\n\tif (p.z > 0.0) {\n\t\treturn $sdf(p);\n\t} else {\n\t\treturn p.z;\n\t}\n}\n\nfloat raymarch_$name(vec2 uv) {\n\tvec3 ro = vec3(uv-vec2(0.5), 1.0);\n\tvec3 rd = vec3(0.0, 0.0, -1.0);\n\tfloat dO=0.;\n    \n    for (int i=0; i < 25; i++) {\n    \tvec3 p = ro + rd*dO;\n        float dS = input_$name(p);\n        dO += dS;\n        if (dO > 1.0 || dS < 0.0001) break;\n    }\n    \n    return dO;\n}\n\nvec3 normal_$name(vec3 p) {\n\tfloat d = input_$name(p);\n    float e = .001;\n    \n    vec3 n = d - vec3(\n        input_$name(p-vec3(e, 0.0, 0.0)),\n        input_$name(p-vec3(0.0, e, 0.0)),\n        input_$name(p-vec3(0.0, 0.0, e)));\n    \n    return vec3(-1.0, -1.0, -1.0)*normalize(n);\n}\n\n",
+		"instance": "vec2 raymarch_$name(vec2 uv) {\n\tvec3 ro = vec3(uv-vec2(0.5), 1.0);\n\tvec3 rd = vec3(0.0, 0.0, -1.0);\n\tfloat dO = 0.0;\n\tfloat c = 0.0;\n    for (int i=0; i < 100; i++) {\n    \tvec3 p = ro + rd*dO;\n        vec2 dS = $sdf(p);\n        dO += dS.x;\n\n        if (dO >= 1.0) {\n\t\t\tbreak;\n\t\t} else if (dS.x < 0.0001) {\n\t\t\tc = dS.y;\n\t\t\tbreak;\n\t\t}\n    }\n    \n    return vec2(dO, c);\n}\n\nvec3 normal_$name(vec3 p) {\n\tif (p.z <= 0.0) {\n\t\treturn vec3(0.0, 0.0, 1.0);\n\t}\n\n\tfloat d = $sdf(p).x;\n    float e = .001;\n    \n    vec3 n = d - vec3(\n        $sdf(p-vec3(e, 0.0, 0.0)).x,\n        $sdf(p-vec3(0.0, e, 0.0)).x,\n        $sdf(p-vec3(0.0, 0.0, e)).x);\n    \n    return vec3(-1.0, -1.0, -1.0)*normalize(n);\n}\n\n",
 		"name": "Raymarching",
 		"outputs": [
 			{
-				"f": "1.0-$(name_uv)_d",
+				"f": "1.0-$(name_uv)_d.x",
 				"type": "f"
 			},
 			{
-				"rgb": "vec3(0.5)+0.5*normal_$name(vec3($uv-vec2(0.5), 1.0-$(name_uv)_d))",
+				"rgb": "vec3(0.5)+0.5*normal_$name(vec3($uv-vec2(0.5), 1.0-$(name_uv)_d.x))",
 				"type": "rgb"
+			},
+			{
+				"f": "$(name_uv)_d.y",
+				"type": "f"
 			}
 		],
 		"parameters": [
diff --git a/addons/material_maker/nodes/sdf3d_boolean.mmg b/addons/material_maker/nodes/sdf3d_boolean.mmg
index 417e9ba..ef4a803 100644
--- a/addons/material_maker/nodes/sdf3d_boolean.mmg
+++ b/addons/material_maker/nodes/sdf3d_boolean.mmg
@@ -15,47 +15,47 @@
 	},
 	"shader_model": {
 		"code": "",
-		"global": "",
+		"global": "vec2 sdf3dc_union(vec2 a, vec2 b) {\n\treturn vec2(min(a.x, b.x), mix(b.y, a.y, step(a.x, b.x)));\n}\nvec2 sdf3dc_sub(vec2 a, vec2 b) {\n\treturn vec2(max(a.x, -b.x), a.y);\n}\nvec2 sdf3dc_inter(vec2 a, vec2 b) {\n\treturn vec2(max(a.x, b.x), mix(a.y, b.y, step(a.x, b.x)));\n}\n",
 		"inputs": [
 			{
-				"default": "0.0",
+				"default": "vec2(0.0)",
 				"label": "",
 				"name": "in1",
-				"type": "sdf3d"
+				"type": "sdf3dc"
 			},
 			{
-				"default": "0.0",
+				"default": "vec2(0.0)",
 				"label": "",
 				"name": "in2",
-				"type": "sdf3d"
+				"type": "sdf3dc"
 			}
 		],
 		"instance": "",
 		"name": "Boolean",
 		"outputs": [
 			{
-				"sdf3d": "$op $in1($uv), $in2($uv))",
-				"type": "sdf3d"
+				"sdf3dc": "$op($in1($uv), $in2($uv))",
+				"type": "sdf3dc"
 			}
 		],
 		"parameters": [
 			{
-				"default": 1,
+				"default": 2,
 				"label": "",
 				"name": "op",
 				"type": "enum",
 				"values": [
 					{
 						"name": "Union",
-						"value": "min("
+						"value": "sdf3dc_union"
 					},
 					{
 						"name": "Subtraction",
-						"value": "max(-"
+						"value": "sdf3dc_sub"
 					},
 					{
 						"name": "Intersection",
-						"value": "max("
+						"value": "sdf3dc_inter"
 					}
 				]
 			}
diff --git a/addons/material_maker/nodes/sdf3d_circle_repeat.mmg b/addons/material_maker/nodes/sdf3d_circle_repeat.mmg
index 889944a..a0f65d1 100644
--- a/addons/material_maker/nodes/sdf3d_circle_repeat.mmg
+++ b/addons/material_maker/nodes/sdf3d_circle_repeat.mmg
@@ -6,7 +6,7 @@
 	},
 	"parameters": {
 		"a": 0,
-		"c": 4,
+		"c": 5,
 		"r": 0.24,
 		"rx": 4,
 		"ry": 4,
@@ -20,22 +20,23 @@
 		"global": "vec3 circle_repeat_transform(vec3 p, float count) {\n\tfloat r = 6.28/count;\n\tfloat pa = atan(p.x, p.y);\n\tfloat a = mod(pa+0.5*r, r)-0.5*r;\n\tvec3 rv;\n\tfloat c = cos(a-pa);\n\tfloat s = sin(a-pa);\n\trv.x = p.x*c+p.y*s;\n\trv.y = -p.x*s+p.y*c;\n\trv.z = p.z;\n\treturn rv;\n}\n",
 		"inputs": [
 			{
-				"default": "0.0",
+				"default": "vec2(0.0)",
 				"label": "",
 				"name": "in",
-				"type": "sdf3d"
+				"type": "sdf3dc"
 			}
 		],
 		"instance": "",
 		"name": "Circle Repeat",
 		"outputs": [
 			{
-				"sdf3d": "$in(circle_repeat_transform($uv, $c))",
-				"type": "sdf3d"
+				"sdf3dc": "$in(circle_repeat_transform($uv, $c))",
+				"type": "sdf3dc"
 			}
 		],
 		"parameters": [
 			{
+				"control": "None",
 				"default": 4,
 				"label": "",
 				"max": 32,
diff --git a/addons/material_maker/nodes/sdf3d_repeat.mmg b/addons/material_maker/nodes/sdf3d_repeat.mmg
index 3e2875c..de3daed 100644
--- a/addons/material_maker/nodes/sdf3d_repeat.mmg
+++ b/addons/material_maker/nodes/sdf3d_repeat.mmg
@@ -6,9 +6,9 @@
 	},
 	"parameters": {
 		"a": 0,
-		"r": 0.24,
-		"rx": 4,
-		"ry": 4,
+		"r": 0.3,
+		"rx": 3,
+		"ry": 3,
 		"s": 0.3,
 		"x": 0.35,
 		"y": 0,
@@ -19,22 +19,23 @@
 		"global": "vec3 repeat(vec3 p, vec3 r, float seed, float randomness) {\n\tvec3 a = (rand3(floor(mod((p.xy+0.5*r.xy)/r.xy, 1.0/r.xy)+vec2(seed)))-0.5)*6.28*randomness;\n\tp = mod(p+0.5*r,r)-0.5*r;\n\tvec3 rv;\n\tfloat c;\n\tfloat s;\n\tc = cos(a.x);\n\ts = sin(a.x);\n\trv.x = p.x;\n\trv.y = p.y*c+p.z*s;\n\trv.z = -p.y*s+p.z*c;\n\tc = cos(a.y);\n\ts = sin(a.y);\n\tp.x = rv.x*c+rv.z*s;\n\tp.y = rv.y;\n\tp.z = -rv.x*s+rv.z*c;\n\tc = cos(a.z);\n\ts = sin(a.z);\n\trv.x = p.x*c+p.y*s;\n\trv.y = -p.x*s+p.y*c;\n\trv.z = p.z;\n\treturn rv;\n}\n",
 		"inputs": [
 			{
-				"default": "0.0",
+				"default": "vec2(0.0)",
 				"label": "",
 				"name": "in",
-				"type": "sdf3d"
+				"type": "sdf3dc"
 			}
 		],
 		"instance": "",
 		"name": "Repeat",
 		"outputs": [
 			{
-				"sdf3d": "$in(repeat($uv, vec3(1.0/$rx, 1.0/$ry, 0.0), $seed, $r))",
-				"type": "sdf3d"
+				"sdf3dc": "$in(repeat($uv, vec3(1.0/$rx, 1.0/$ry, 0.0), $seed, $r))",
+				"type": "sdf3dc"
 			}
 		],
 		"parameters": [
 			{
+				"control": "None",
 				"default": 4,
 				"label": "X",
 				"max": 32,
@@ -44,6 +45,7 @@
 				"type": "float"
 			},
 			{
+				"control": "None",
 				"default": 4,
 				"label": "Y",
 				"max": 32,
@@ -53,6 +55,7 @@
 				"type": "float"
 			},
 			{
+				"control": "None",
 				"default": 0.5,
 				"label": "R",
 				"max": 1,
diff --git a/addons/material_maker/nodes/sdf3d_rotate.mmg b/addons/material_maker/nodes/sdf3d_rotate.mmg
index 588e943..f0f3dad 100644
--- a/addons/material_maker/nodes/sdf3d_rotate.mmg
+++ b/addons/material_maker/nodes/sdf3d_rotate.mmg
@@ -18,22 +18,23 @@
 		"global": "vec3 rotate3d(vec3 p, vec3 a) {\n\tvec3 rv;\n\tfloat c;\n\tfloat s;\n\tc = cos(a.x);\n\ts = sin(a.x);\n\trv.x = p.x;\n\trv.y = p.y*c+p.z*s;\n\trv.z = -p.y*s+p.z*c;\n\tc = cos(a.y);\n\ts = sin(a.y);\n\tp.x = rv.x*c+rv.z*s;\n\tp.y = rv.y;\n\tp.z = -rv.x*s+rv.z*c;\n\tc = cos(a.z);\n\ts = sin(a.z);\n\trv.x = p.x*c+p.y*s;\n\trv.y = -p.x*s+p.y*c;\n\trv.z = p.z;\n\treturn rv;\n}\n",
 		"inputs": [
 			{
-				"default": "0.0",
+				"default": "vec2(0.0)",
 				"label": "",
 				"name": "in",
-				"type": "sdf3d"
+				"type": "sdf3dc"
 			}
 		],
 		"instance": "",
 		"name": "Rotate",
 		"outputs": [
 			{
-				"sdf3d": "$in(rotate3d($uv, -vec3($ax, $ay, $az)*0.01745329251))",
-				"type": "sdf3d"
+				"sdf3dc": "$in(rotate3d($uv, -vec3($ax, $ay, $az)*0.01745329251))",
+				"type": "sdf3dc"
 			}
 		],
 		"parameters": [
 			{
+				"control": "None",
 				"default": 0,
 				"label": "X",
 				"max": 180,
@@ -43,6 +44,7 @@
 				"type": "float"
 			},
 			{
+				"control": "None",
 				"default": 0,
 				"label": "Y",
 				"max": 180,
@@ -52,6 +54,7 @@
 				"type": "float"
 			},
 			{
+				"control": "None",
 				"default": 0,
 				"label": "Z",
 				"max": 180,
diff --git a/addons/material_maker/nodes/sdf3d_rounded.mmg b/addons/material_maker/nodes/sdf3d_rounded.mmg
index 87ce10b..fdf3491 100644
--- a/addons/material_maker/nodes/sdf3d_rounded.mmg
+++ b/addons/material_maker/nodes/sdf3d_rounded.mmg
@@ -11,30 +11,31 @@
 		"h": 0.08,
 		"k": 0.15,
 		"op": 0,
-		"r": 0.05,
+		"r": 0.1,
 		"w": 0.28
 	},
 	"shader_model": {
-		"code": "",
+		"code": "vec2 $(name_uv)_v = $in($uv);",
 		"global": "",
 		"inputs": [
 			{
-				"default": "0.0",
+				"default": "vec2(0.0)",
 				"label": "",
 				"name": "in",
-				"type": "sdf3d"
+				"type": "sdf3dc"
 			}
 		],
 		"instance": "",
 		"name": "Rounded",
 		"outputs": [
 			{
-				"sdf3d": "$in($uv)-$r",
-				"type": "sdf3d"
+				"sdf3dc": "vec2($(name_uv)_v.x-$r, $(name_uv)_v.y)",
+				"type": "sdf3dc"
 			}
 		],
 		"parameters": [
 			{
+				"control": "None",
 				"default": 0,
 				"label": "",
 				"max": 1,
diff --git a/addons/material_maker/nodes/sdf3d_scale.mmg b/addons/material_maker/nodes/sdf3d_scale.mmg
index 9cec47e..b6727a9 100644
--- a/addons/material_maker/nodes/sdf3d_scale.mmg
+++ b/addons/material_maker/nodes/sdf3d_scale.mmg
@@ -12,22 +12,22 @@
 		"z": 0
 	},
 	"shader_model": {
-		"code": "",
+		"code": "vec2 $(name_uv)_in = $in(($uv)/$s);",
 		"global": "",
 		"inputs": [
 			{
-				"default": "0.0",
+				"default": "vec2(0.0)",
 				"label": "",
 				"name": "in",
-				"type": "sdf3d"
+				"type": "sdf3dc"
 			}
 		],
 		"instance": "",
 		"name": "Scale",
 		"outputs": [
 			{
-				"sdf3d": "$in(($uv)/$s)*$s",
-				"type": "sdf3d"
+				"sdf3dc": "vec2($(name_uv)_in.x*$s, $(name_uv)_in.y)",
+				"type": "sdf3dc"
 			}
 		],
 		"parameters": [
diff --git a/addons/material_maker/nodes/sdf3d_smoothboolean.mmg b/addons/material_maker/nodes/sdf3d_smoothboolean.mmg
index ff3ac8a..42e2062 100644
--- a/addons/material_maker/nodes/sdf3d_smoothboolean.mmg
+++ b/addons/material_maker/nodes/sdf3d_smoothboolean.mmg
@@ -10,57 +10,58 @@
 		"cy": 0,
 		"h": 0.08,
 		"k": 0.1,
-		"op": 0,
+		"op": 2,
 		"r": 0.3,
 		"w": 0.28
 	},
 	"shader_model": {
 		"code": "",
-		"global": "float sdf3SmoothUnion(float d1, float d2, float k) {\n    float h = clamp(0.5+0.5*(d2-d1)/k, 0.0, 1.0);\n    return mix(d2, d1, h)-k*h*(1.0-h);\n}\n\nfloat sdf3SmoothSubtraction( float d1, float d2, float k ) {\n    float h = clamp(0.5-0.5*(d2+d1)/k, 0.0, 1.0);\n    return mix( d2, -d1, h )+k*h*(1.0-h);\n}\n\nfloat sdf3SmoothIntersection( float d1, float d2, float k ) {\n    float h = clamp(0.5-0.5*(d2-d1)/k, 0.0, 1.0);\n    return mix(d2, d1, h)+k*h*(1.0-h);\n}\n",
+		"global": "vec2 sdf3d_smooth_union(vec2 d1, vec2 d2, float k) {\n    float h = clamp(0.5+0.5*(d2.x-d1.x)/k, 0.0, 1.0);\n    return vec2(mix(d2.x, d1.x, h)-k*h*(1.0-h), mix(d2.y, d1.y, step(d1.x, d2.x)));\n}\n\nvec2 sdf3d_smooth_subtraction(vec2 d1, vec2 d2, float k ) {\n    float h = clamp(0.5-0.5*(d2.x+d1.x)/k, 0.0, 1.0);\n    return vec2(mix(d2.x, -d1.x, h )+k*h*(1.0-h), d2.y);\n}\n\nvec2 sdf3d_smooth_intersection(vec2 d1, vec2 d2, float k ) {\n    float h = clamp(0.5-0.5*(d2.x-d1.x)/k, 0.0, 1.0);\n    return vec2(mix(d2.x, d1.x, h)+k*h*(1.0-h), mix(d1.y, d2.y, step(d1.x, d2.x)));\n}\n",
 		"inputs": [
 			{
-				"default": "0.0",
+				"default": "vec2(0.0)",
 				"label": "",
 				"name": "in1",
-				"type": "sdf3d"
+				"type": "sdf3dc"
 			},
 			{
-				"default": "0.0",
+				"default": "vec2(0.0)",
 				"label": "",
 				"name": "in2",
-				"type": "sdf3d"
+				"type": "sdf3dc"
 			}
 		],
 		"instance": "",
-		"name": "sdSmoothBoolean",
+		"name": "SmoothBoolean",
 		"outputs": [
 			{
-				"sdf3d": "sdf3Smooth$op($in1($uv), $in2($uv), $k)",
-				"type": "sdf3d"
+				"sdf3dc": "sdf3d_smooth_$op($in1($uv), $in2($uv), $k)",
+				"type": "sdf3dc"
 			}
 		],
 		"parameters": [
 			{
-				"default": 0,
+				"default": 2,
 				"label": "",
 				"name": "op",
 				"type": "enum",
 				"values": [
 					{
 						"name": "Union",
-						"value": "Union"
+						"value": "union"
 					},
 					{
 						"name": "Subtraction",
-						"value": "Subtraction"
+						"value": "subtraction"
 					},
 					{
 						"name": "Intersection",
-						"value": "Intersection"
+						"value": "intersection"
 					}
 				]
 			},
 			{
+				"control": "None",
 				"default": 0,
 				"label": "",
 				"max": 1,
diff --git a/addons/material_maker/nodes/sdf3d_translate.mmg b/addons/material_maker/nodes/sdf3d_translate.mmg
index 141810f..732a9b4 100644
--- a/addons/material_maker/nodes/sdf3d_translate.mmg
+++ b/addons/material_maker/nodes/sdf3d_translate.mmg
@@ -14,18 +14,18 @@
 		"global": "",
 		"inputs": [
 			{
-				"default": "0.0",
+				"default": "vec2(0.0)",
 				"label": "",
 				"name": "in",
-				"type": "sdf3d"
+				"type": "sdf3dc"
 			}
 		],
 		"instance": "",
 		"name": "Translate",
 		"outputs": [
 			{
-				"sdf3d": "$in($uv-vec3($x, $y, $z))",
-				"type": "sdf3d"
+				"sdf3dc": "$in($uv-vec3($x, $y, $z))",
+				"type": "sdf3dc"
 			}
 		],
 		"parameters": [
diff --git a/material_maker/examples/mmm_donuts.ptex b/material_maker/examples/mmm_donuts.ptex
index a162c0a..dc30143 100644
--- a/material_maker/examples/mmm_donuts.ptex
+++ b/material_maker/examples/mmm_donuts.ptex
@@ -48,60 +48,6 @@
 			"to": "raymarching",
 			"to_port": 0
 		},
-		{
-			"from": "raymarching",
-			"from_port": 0,
-			"to": "10053_2",
-			"to_port": 0
-		},
-		{
-			"from": "raymarching",
-			"from_port": 2,
-			"to": "10053_2",
-			"to_port": 1
-		},
-		{
-			"from": "raymarching",
-			"from_port": 0,
-			"to": "10053_2_2",
-			"to_port": 0
-		},
-		{
-			"from": "raymarching",
-			"from_port": 2,
-			"to": "10053_2_2",
-			"to_port": 1
-		},
-		{
-			"from": "raymarching",
-			"from_port": 0,
-			"to": "10053",
-			"to_port": 0
-		},
-		{
-			"from": "raymarching",
-			"from_port": 2,
-			"to": "10053",
-			"to_port": 1
-		},
-		{
-			"from": "10053",
-			"from_port": 0,
-			"to": "mwf_create_map",
-			"to_port": 0
-		},
-		{
-			"from": "10053_2_2",
-			"from_port": 0,
-			"to": "mwf_create_map_3",
-			"to_port": 0
-		},
-		{
-			"from": "10053_2",
-			"from_port": 0,
-			"to": "mwf_create_map_2",
-			"to_port": 0
-		},
 		{
 			"from": "mwf_create_map",
 			"from_port": 0,
@@ -396,17 +342,65 @@
 			"to": "colorize",
 			"to_port": 0
 		},
-		{
-			"from": "perlin_2",
-			"from_port": 0,
-			"to": "10053_2_2_2",
-			"to_port": 1
-		},
 		{
 			"from": "mwf_output",
 			"from_port": 6,
 			"to": "Material",
 			"to_port": 6
+		},
+		{
+			"from": "raymarching",
+			"from_port": 0,
+			"to": "mul_detect",
+			"to_port": 0
+		},
+		{
+			"from": "raymarching",
+			"from_port": 2,
+			"to": "mul_detect",
+			"to_port": 1
+		},
+		{
+			"from": "mul_detect",
+			"from_port": 0,
+			"to": "mwf_create_map",
+			"to_port": 0
+		},
+		{
+			"from": "mul_detect_2",
+			"from_port": 0,
+			"to": "mwf_create_map_3",
+			"to_port": 0
+		},
+		{
+			"from": "raymarching",
+			"from_port": 0,
+			"to": "mul_detect_2",
+			"to_port": 0
+		},
+		{
+			"from": "raymarching",
+			"from_port": 2,
+			"to": "mul_detect_2",
+			"to_port": 1
+		},
+		{
+			"from": "raymarching",
+			"from_port": 0,
+			"to": "mul_detect_2_2",
+			"to_port": 0
+		},
+		{
+			"from": "mul_detect_2_2",
+			"from_port": 0,
+			"to": "mwf_create_map_2",
+			"to_port": 0
+		},
+		{
+			"from": "raymarching",
+			"from_port": 2,
+			"to": "mul_detect_2_2",
+			"to_port": 1
 		}
 	],
 	"label": "Graph",
@@ -419,8 +413,8 @@
 		{
 			"name": "Material",
 			"node_position": {
-				"x": 1730.920044,
-				"y": -7.312012
+				"x": 1596.135986,
+				"y": -86.800011
 			},
 			"parameters": {
 				"albedo_color": {
@@ -444,8 +438,8 @@
 		{
 			"name": "raymarching",
 			"node_position": {
-				"x": -87.107498,
-				"y": 153.625015
+				"x": -93.107498,
+				"y": 112.625015
 			},
 			"parameters": {
 
@@ -568,8 +562,8 @@
 			"label": "Donut",
 			"name": "graph",
 			"node_position": {
-				"x": -685.679138,
-				"y": -17.270287
+				"x": -664.759155,
+				"y": -18.094296
 			},
 			"nodes": [
 				{
@@ -1126,8 +1120,8 @@
 		{
 			"name": "sdf3d_repeat",
 			"node_position": {
-				"x": -508.122192,
-				"y": -14.881775
+				"x": -482.202179,
+				"y": -14.881774
 			},
 			"parameters": {
 				"a": 0,
@@ -1196,8 +1190,8 @@
 		{
 			"name": "sdf3d_scale_2",
 			"node_position": {
-				"x": -690.122192,
-				"y": 57.118225
+				"x": -670.842224,
+				"y": 66.030228
 			},
 			"parameters": {
 				"a": 0,
@@ -1243,12 +1237,12 @@
 		{
 			"name": "sdf3d_repeat_2",
 			"node_position": {
-				"x": -506.122192,
+				"x": -480.202179,
 				"y": 110.618225
 			},
 			"parameters": {
 				"a": 0,
-				"r": 0.33,
+				"r": 0.21,
 				"rx": 3,
 				"ry": 3,
 				"s": 0.3,
@@ -1313,13 +1307,13 @@
 		{
 			"name": "sdf3d_translate_3_2_2",
 			"node_position": {
-				"x": -505.872192,
+				"x": -479.952209,
 				"y": 213.034912
 			},
 			"parameters": {
 				"x": 0.14,
 				"y": 0.11,
-				"z": 0.1
+				"z": 0.2
 			},
 			"shader_model": {
 				"code": "",
@@ -1378,8 +1372,8 @@
 		{
 			"name": "sdf3d_boolean",
 			"node_position": {
-				"x": -270.800781,
-				"y": 120.820618
+				"x": -252.248795,
+				"y": 76.092621
 			},
 			"parameters": {
 				"bevel": 0,
@@ -1443,8 +1437,8 @@
 		{
 			"name": "sdf3d_translate_3_2_2_2",
 			"node_position": {
-				"x": -281.800781,
-				"y": 194.820618
+				"x": -278.344788,
+				"y": 149.892624
 			},
 			"parameters": {
 				"x": 0,
@@ -1515,171 +1509,24 @@
 			},
 			"name": "comment",
 			"node_position": {
-				"x": -718.245239,
-				"y": -47.346039
+				"x": -681.957275,
+				"y": -50.802036
 			},
 			"parameters": {
 				"size": 4
 			},
 			"size": {
-				"x": 790,
-				"y": 394.999969
+				"x": 757.167969,
+				"y": 382.903992
 			},
 			"text": "\n",
 			"title": "Render donuts with color indexes",
 			"type": "comment"
 		},
-		{
-			"name": "10053",
-			"node_position": {
-				"x": 117.221985,
-				"y": -12.346039
-			},
-			"parameters": {
-				"v": 0.31
-			},
-			"shader_model": {
-				"code": "",
-				"global": "",
-				"inputs": [
-					{
-						"default": "1.0",
-						"label": "Label",
-						"name": "mul",
-						"type": "f"
-					},
-					{
-						"default": "0.0",
-						"label": "",
-						"name": "in",
-						"type": "f"
-					}
-				],
-				"instance": "",
-				"name": "MulDetect",
-				"outputs": [
-					{
-						"f": "$mul($uv)*(1.0-10.0*($in($uv)-$v)*($in($uv)-$v))",
-						"type": "f"
-					}
-				],
-				"parameters": [
-					{
-						"control": "None",
-						"default": 0.5,
-						"label": "",
-						"max": 1,
-						"min": 0,
-						"name": "v",
-						"step": 0.01,
-						"type": "float"
-					}
-				]
-			},
-			"type": "shader"
-		},
-		{
-			"name": "10053_2",
-			"node_position": {
-				"x": 121.462341,
-				"y": 395.472137
-			},
-			"parameters": {
-				"v": 0.08
-			},
-			"shader_model": {
-				"code": "",
-				"global": "",
-				"inputs": [
-					{
-						"default": "1.0",
-						"label": "Label",
-						"name": "mul",
-						"type": "f"
-					},
-					{
-						"default": "0.0",
-						"label": "",
-						"name": "in",
-						"type": "f"
-					}
-				],
-				"instance": "",
-				"name": "MulDetect",
-				"outputs": [
-					{
-						"f": "$mul($uv)*(1.0-10.0*($in($uv)-$v)*($in($uv)-$v))",
-						"type": "f"
-					}
-				],
-				"parameters": [
-					{
-						"control": "None",
-						"default": 0.5,
-						"label": "",
-						"max": 1,
-						"min": 0,
-						"name": "v",
-						"step": 0.01,
-						"type": "float"
-					}
-				]
-			},
-			"type": "shader"
-		},
-		{
-			"name": "10053_2_2",
-			"node_position": {
-				"x": 113.786713,
-				"y": 170.138794
-			},
-			"parameters": {
-				"v": 0.87
-			},
-			"shader_model": {
-				"code": "",
-				"global": "",
-				"inputs": [
-					{
-						"default": "1.0",
-						"label": "Label",
-						"name": "mul",
-						"type": "f"
-					},
-					{
-						"default": "0.0",
-						"label": "",
-						"name": "in",
-						"type": "f"
-					}
-				],
-				"instance": "",
-				"name": "MulDetect",
-				"outputs": [
-					{
-						"f": "$mul($uv)*clamp((1.0-10.0*($in($uv)-$v)*($in($uv)-$v)), 0.0, 1.0)",
-						"type": "f"
-					}
-				],
-				"parameters": [
-					{
-						"control": "None",
-						"default": 0.5,
-						"label": "",
-						"max": 1,
-						"min": 0,
-						"name": "v",
-						"step": 0.01,
-						"type": "float"
-					}
-				]
-			},
-			"type": "shader"
-		},
 		{
 			"name": "mwf_create_map",
 			"node_position": {
-				"x": 358.843994,
+				"x": 360.571991,
 				"y": -128.630447
 			},
 			"parameters": {
@@ -1765,8 +1612,8 @@
 		{
 			"name": "mwf_mix",
 			"node_position": {
-				"x": 864.268921,
-				"y": 189.119568
+				"x": 853.900879,
+				"y": 164.927567
 			},
 			"parameters": {
 
@@ -1776,8 +1623,8 @@
 		{
 			"name": "mwf_mix_2",
 			"node_position": {
-				"x": 1141.761108,
-				"y": -8.130447
+				"x": 1083.009155,
+				"y": -87.618446
 			},
 			"parameters": {
 
@@ -1874,8 +1721,8 @@
 			"label": "Output",
 			"name": "mwf_output",
 			"node_position": {
-				"x": 1405.761108,
-				"y": -1.630447
+				"x": 1307.265137,
+				"y": -74.206451
 			},
 			"nodes": [
 				{
@@ -2470,8 +2317,8 @@
 		{
 			"name": "mwf_mix_3",
 			"node_position": {
-				"x": 857.856567,
-				"y": -274.880432
+				"x": 845.760559,
+				"y": -242.048431
 			},
 			"parameters": {
 
@@ -2526,8 +2373,8 @@
 		{
 			"name": "perlin",
 			"node_position": {
-				"x": 358.92984,
-				"y": 508.119568
+				"x": 363.92984,
+				"y": 499.119568
 			},
 			"parameters": {
 				"iterations": 8,
@@ -2571,21 +2418,21 @@
 			"color": {
 				"a": 1,
 				"b": 0,
-				"g": 0.5,
-				"r": 1,
+				"g": 1,
+				"r": 0.9375,
 				"type": "Color"
 			},
 			"name": "comment_2",
 			"node_position": {
-				"x": 97.468719,
-				"y": -49.148132
+				"x": 82.468719,
+				"y": -50.148132
 			},
 			"parameters": {
 				"size": 4
 			},
 			"size": {
-				"x": 242,
-				"y": 533
+				"x": 255.271576,
+				"y": 432.232056
 			},
 			"text": "",
 			"title": "Separate colors",
@@ -2618,100 +2465,62 @@
 		{
 			"color": {
 				"a": 1,
-				"b": 0,
-				"g": 0.6875,
-				"r": 1,
+				"b": 1,
+				"g": 0,
+				"r": 0.96875,
 				"type": "Color"
 			},
 			"name": "comment_2_2_2",
 			"node_position": {
-				"x": 838.947449,
-				"y": -317.398193
+				"x": 828.579407,
+				"y": -289.750183
 			},
 			"parameters": {
 				"size": 4
 			},
 			"size": {
-				"x": 837,
-				"y": 783
+				"x": 743.688171,
+				"y": 725.975952
 			},
 			"text": "",
 			"title": "Mix the result and generate output",
 			"type": "comment"
 		},
 		{
-			"name": "10053_2_2_2",
+			"name": "mul_detect",
 			"node_position": {
-				"x": -158.775818,
-				"y": -271.032806
+				"x": 90.234436,
+				"y": -13.032837
 			},
 			"parameters": {
-				"t": 0.009,
-				"v": 0.47
+				"t": 0.01,
+				"v": 0.31
 			},
-			"shader_model": {
-				"code": "float $(name_uv)_d = ($in($uv)-$v)/$t;",
-				"global": "",
-				"inputs": [
-					{
-						"default": "1.0",
-						"label": "",
-						"name": "mul",
-						"type": "f"
-					},
-					{
-						"default": "0.0",
-						"label": "",
-						"name": "in",
-						"type": "f"
-					}
-				],
-				"instance": "",
-				"name": "MulDetect",
-				"outputs": [
-					{
-						"f": "$mul($uv)*clamp(1.0-$(name_uv)_d*$(name_uv)_d, 0.0, 1.0)",
-						"type": "f"
-					}
-				],
-				"parameters": [
-					{
-						"control": "None",
-						"default": 0.5,
-						"label": "Value",
-						"max": 1,
-						"min": 0,
-						"name": "v",
-						"step": 0.01,
-						"type": "float"
-					},
-					{
-						"control": "None",
-						"default": 0.1,
-						"label": "Tolerance",
-						"max": 1,
-						"min": 0.01,
-						"name": "t",
-						"step": 0.001,
-						"type": "float"
-					}
-				]
-			},
-			"type": "shader"
+			"type": "mul_detect"
 		},
 		{
-			"name": "perlin_2",
+			"name": "mul_detect_2",
 			"node_position": {
-				"x": -463.275513,
-				"y": -249.782776
+				"x": 94.964081,
+				"y": 132.26152
 			},
 			"parameters": {
-				"iterations": 3,
-				"persistence": 0.5,
-				"scale_x": 4,
-				"scale_y": 4
+				"t": 0.01,
+				"v": 0.87
 			},
-			"type": "perlin"
+			"type": "mul_detect"
+		},
+		{
+			"name": "mul_detect_2_2",
+			"node_position": {
+				"x": 90.964081,
+				"y": 288.261536
+			},
+			"parameters": {
+				"t": 0.01,
+				"v": 0.08
+			},
+			"type": "mul_detect"
 		}
 	],
 	"parameters": {
diff --git a/material_maker/examples/skulls.ptex b/material_maker/examples/skulls.ptex
index 9e92938..424f826 100644
--- a/material_maker/examples/skulls.ptex
+++ b/material_maker/examples/skulls.ptex
@@ -138,12 +138,6 @@
 			"to": "sdf3d_boolean_2_2_2",
 			"to_port": 1
 		},
-		{
-			"from": "sdf3d_boolean_2_2_2",
-			"from_port": 0,
-			"to": "_3_2",
-			"to_port": 0
-		},
 		{
 			"from": "blend_2",
 			"from_port": 0,
@@ -156,12 +150,6 @@
 			"to": "normal_map",
 			"to_port": 0
 		},
-		{
-			"from": "_3_2",
-			"from_port": 1,
-			"to": "blend_2",
-			"to_port": 0
-		},
 		{
 			"from": "normal_map",
 			"from_port": 0,
@@ -180,12 +168,6 @@
 			"to": "sdf3d_scale",
 			"to_port": 0
 		},
-		{
-			"from": "_3_2",
-			"from_port": 0,
-			"to": "buffer",
-			"to_port": 0
-		},
 		{
 			"from": "buffer",
 			"from_port": 0,
@@ -233,6 +215,24 @@
 			"from_port": 0,
 			"to": "blend",
 			"to_port": 2
+		},
+		{
+			"from": "sdf3d_boolean_2_2_2",
+			"from_port": 0,
+			"to": "raymarching",
+			"to_port": 0
+		},
+		{
+			"from": "raymarching",
+			"from_port": 0,
+			"to": "buffer",
+			"to_port": 0
+		},
+		{
+			"from": "raymarching",
+			"from_port": 1,
+			"to": "blend_2",
+			"to_port": 0
 		}
 	],
 	"label": "Graph",
@@ -311,45 +311,6 @@
 			},
 			"type": "colorize"
 		},
-		{
-			"name": "_3_2",
-			"node_position": {
-				"x": -378.336426,
-				"y": 1476.947388
-			},
-			"parameters": {
-
-			},
-			"shader_model": {
-				"code": "float $(name_uv)_d = raymarch_$name($uv);\n",
-				"global": "",
-				"inputs": [
-					{
-						"default": "0.0",
-						"function": true,
-						"label": "",
-						"name": "sdf",
-						"type": "sdf3d"
-					}
-				],
-				"instance": "float input_$name(vec3 p) {\n\treturn min($sdf(p), p.z);\n}\n\nfloat raymarch_$name(vec2 uv) {\n\tvec3 ro = vec3(uv-vec2(0.5), 1.0);\n\tvec3 rd = vec3(0.0, 0.0, -1.0);\n\tfloat dO=0.;\n    \n    for (int i=0; i < 50; i++) {\n    \tvec3 p = ro + rd*dO;\n        float dS = input_$name(p);\n        dO += dS;\n        if (dO > 0.001 && dS < 0.0001) break;\n    }\n    \n    return dO;\n}\n\nvec3 normal_$name(vec3 p) {\n\tfloat d = input_$name(p);\n    float e = .001;\n    \n    vec3 n = d - vec3(\n        input_$name(p-vec3(e, 0.0, 0.0)),\n        input_$name(p-vec3(0.0, e, 0.0)),\n        input_$name(p-vec3(0.0, 0.0, e)));\n    \n    return vec3(-1.0, -1.0, -1.0)*normalize(n);\n}\n\n",
-				"name": "Raymarching",
-				"outputs": [
-					{
-						"f": "1.0-$(name_uv)_d",
-						"type": "f"
-					},
-					{
-						"rgb": "vec3(0.5)+0.5*normal_$name(vec3($uv-vec2(0.5), 1.0-$(name_uv)_d))",
-						"type": "rgb"
-					}
-				],
-				"parameters": [
-
-				]
-			},
-			"type": "shader"
-		},
 		{
 			"name": "colorize_2",
 			"node_position": {
@@ -1108,6 +1069,8 @@
 				"param0": 11,
 				"param1": 1.02,
 				"param2": 0,
+				"param3": 0,
+				"param4": 1,
 				"size": 4
 			},
 			"type": "normal_map"
@@ -2007,6 +1970,17 @@
 				"blend_type": 3
 			},
 			"type": "blend"
+		},
+		{
+			"name": "raymarching",
+			"node_position": {
+				"x": -371.992065,
+				"y": 1466.176514
+			},
+			"parameters": {
+
+			},
+			"type": "raymarching"
 		}
 	],
 	"parameters": {