SDF Primitive Nodes

Signed Distance Field primitive shapes including boxes, spheres, cylinders, and tori for creating 3D spatial effects.

This category contains 30 nodes.

Nodes

Box 2D SDF

Creates a flat rectangle in the XY plane. The Z axis is ignored, so the shape extends as an infinite slab through depth.

Inputs: Position (usually from Pixel Position, only X and Y are read) and size (half-width in X, half-height in Y; Z of Size is ignored).

Name	Type	Range	Default
Position	Vector	vec	[0, 0, 0]
Size	Vector	vec	[0.25, 0.25, 0]

Outputs: Distance to the rectangle edge, negative inside. Use with Shape to Solid or Shape to Stroke.

Name	Type	Range
Signed Distance	Number	sdf

Box Frame SDF

Creates a hollow box frame shape - just the edges without the faces. Like a wireframe cube.

Inputs: Position, box dimensions, and edge thickness.

Name	Type	Range	Default
Position	Vector	vec	[0, 0, 0]
Size	Vector	vec:≥0	[0.5, 0.5, 0.5]
Frame Thickness	Number	≥0	0.1

Outputs: Distance to the frame edges.

Name	Type	Range
Signed Distance	Number	sdf

Box SDF

Creates a box/rectangle shape. Size controls how far the box extends in each direction from center.

Inputs: Position (usually from Pixel Position) and size (half-width in X, Y, Z).

Name	Type	Range	Default
Position	Vector	vec	[0, 0, 0]
Size	Vector	vec:≥0	[0.25, 0.25, 0.25]

Outputs: Distance to the box surface. Use with Shape to Solid or Shape to Stroke.

Name	Type	Range
Signed Distance	Number	sdf

Capped Torus SDF

Creates a partial ring or arc shape. Like a donut with a section cut out - adjust the angle to control how much is visible.

Inputs: Position, ring size, tube thickness, and arc angle.

Name	Type	Range	Default
Position	Vector	vec	[0, 0, 0]
Major Radius	Number	any	0.5
Minor Radius	Number	any	0.1
Angle (radians)	Number	any	1.5708

Outputs: Distance to the arc surface.

Name	Type	Range
Signed Distance	Number	sdf

Creates a capsule standing upright along the Y axis: a cylinder with a hemispherical cap on each end, like a pill. The body is centred on the origin. A height of twice the radius or less leaves a sphere.

Inputs: Position, height (the full extent along Y, from the tip of one cap to the tip of the other), and radius (the radius of the cylinder, and of both caps).

Name	Type	Range	Default
Position	Vector	vec	[0, 0, 0]
Height	Number	any	1
Radius	Number	any	0.25

Outputs: Distance to the capsule surface, negative inside. Use with Shape to Solid or Shape to Stroke.

Name	Type	Range
Signed Distance	Number	sdf

Circle 2D SDF

Creates a flat circle in the XY plane. The Z axis is ignored, so the shape extends as an infinite tube through depth. Connect to Solid or Stroke nodes to use in your effect.

Inputs: Position (usually from Pixel Position, only X and Y are read) and radius.

Name	Type	Range	Default
Position	Vector	vec	[0, 0, 0]
Radius	Number	any	0.25

Outputs: Distance to the circle edge, negative inside. Use with Shape to Solid or Shape to Stroke.

Name	Type	Range
Signed Distance	Number	sdf

Cone SDF

Creates a cone standing upright along the Y axis. The circular base lies flat in the XZ plane and the tip points up. The body is centred on the origin, so the base sits half the height below it and the tip half the height above.

Inputs: Position, height (the full extent along Y, from base to tip), and radius (the radius of the circular base).

Name	Type	Range	Default
Position	Vector	vec	[0, 0, 0]
Height	Number	any	1
Base Radius	Number	any	0.5

Outputs: Distance to the cone surface, negative inside. Use with Shape to Solid or Shape to Stroke.

Name	Type	Range
Signed Distance	Number	sdf

Cylinder SDF

Creates a cylinder shape standing upright (along Y axis).

Inputs: Position, height, and radius.

Name	Type	Range	Default
Position	Vector	vec	[0, 0, 0]
Height	Number	any	1
Radius	Number	any	0.5

Outputs: Distance to the cylinder surface. Use with Shape to Solid or Shape to Stroke.

Name	Type	Range
Signed Distance	Number	sdf

Ellipsoid SDF

Creates an egg or stretched sphere shape. Set different radii for X, Y, Z to control the stretching.

Inputs: Position and radii for each axis.

Name	Type	Range	Default
Position	Vector	vec	[0, 0, 0]
Radius	Vector	vec	[0.5, 0.3, 0.2]

Outputs: Distance to the ellipsoid surface.

Name	Type	Range
Signed Distance	Number	sdf

Gyroid SDF

Creates a complex wavy 3D lattice pattern. An organic-looking mesh structure that repeats infinitely.

Inputs: Position, wall thickness, and pattern scale.

Name	Type	Range	Default
Position	Vector	vec	[0, 0, 0]
Thickness	Number	any	0.2
Scale	Number	any	6.5

Outputs: Distance to the lattice surface.

Name	Type	Range
Signed Distance	Number	sdf

Heart 2D SDF

Creates a flat heart in the XY plane, centred on the origin with the point facing down. The Z axis is ignored, so the shape extends as an infinite prism through depth.

Inputs: Position (usually from Pixel Position, only X and Y are read) and size (roughly the height of the heart).

Name	Type	Range	Default
Position	Vector	vec	[0, 0, 0]
Size	Number	any	0.5

Outputs: Distance to the heart outline, negative inside. Use with Shape to Solid or Shape to Stroke.

Name	Type	Range
Signed Distance	Number	sdf

Hexagon 2D SDF

Creates a flat hexagon in the XY plane, with horizontal edges at the top and bottom and corners to the left and right. The Z axis is ignored, so the shape extends as an infinite prism through depth.

Inputs: Position (usually from Pixel Position, only X and Y are read) and radius (distance from the centre to each corner).

Name	Type	Range	Default
Position	Vector	vec	[0, 0, 0]
Radius	Number	any	0.25

Outputs: Distance to the hexagon edge, negative inside. Use with Shape to Solid or Shape to Stroke.

Name	Type	Range
Signed Distance	Number	sdf

Hexagonal Prism SDF

Creates a 6-sided prism standing upright along the Y axis. Like a pencil or a honeycomb cell. The hexagon lies in the XZ plane, with two corners on the X axis and flat edges facing along Z.

Inputs: Position, height (the full extent along Y), and radius (distance from the centre of the hexagon to each corner).

Name	Type	Range	Default
Position	Vector	vec	[0, 0, 0]
Height	Number	any	0.5
Radius	Number	any	0.5

Outputs: Distance to the prism surface.

Name	Type	Range
Signed Distance	Number	sdf

Icosahedron SDF

Creates a 20-sided die shape. A geometric solid with triangular faces.

Inputs: Position and size.

Name	Type	Range	Default
Position	Vector	vec	[0, 0, 0]
Size	Number	any	0.5

Outputs: Distance to the surface.

Name	Type	Range
Signed Distance	Number	sdf

Julia Set SDF

Creates a complex fractal shape. Adjust the C parameter to explore different organic-looking 3D fractals.

Inputs: Position, detail level (iterations), and shape parameter.

Name	Type	Range	Default
Position	Vector	vec	[0, 0, 0]
C Parameter	Vector	vec	[-0.4, 0.6, 0, 0]
Iterations	Number	any	8
Bailout	Number	any	2

Outputs: Distance to the fractal surface.

Name	Type	Range
Signed Distance	Number	sdf

N-gon 2D SDF

Creates a flat regular polygon in the XY plane: triangle, square, pentagon, hexagon and up. One corner points up. The Z axis is ignored, so the shape extends as an infinite prism through depth.

Inputs: Position (usually from Pixel Position, only X and Y are read), radius (distance from the centre to each corner), and the number of sides (3 or more).

Name	Type	Range	Default
Position	Vector	vec	[0, 0, 0]
Radius	Number	any	0.25
Sides	Number	3+	6

Outputs: Distance to the polygon edge, negative inside. Use with Shape to Solid or Shape to Stroke.

Name	Type	Range
Signed Distance	Number	sdf

Octahedron SDF

Creates a diamond-like 8-sided shape. Like two pyramids joined at their bases.

Inputs: Position and size.

Name	Type	Range	Default
Position	Vector	vec	[0, 0, 0]
Size	Number	any	0.5

Outputs: Distance to the octahedron surface.

Name	Type	Range
Signed Distance	Number	sdf

Plane SDF

Creates an infinite flat surface. Useful for dividing space into two halves or creating floors/walls.

Inputs: Position and normal (direction the plane faces).

Name	Type	Range	Default
Position	Vector	vec	[0, 0, 0]
Normal	Vector	vec	[0, 1, 0]

Outputs: Distance to the plane (positive on one side, negative on the other).

Name	Type	Range
Signed Distance	Number	sdf

Pyramid SDF

Creates a pyramid standing upright along the Y axis. The square base lies flat in the XZ plane, squared to the X and Z axes, and the tip points up. The body is centred on the origin, so the base sits half the height below it and the tip half the height above.

Inputs: Position, height (the full extent along Y, from base to tip), and base size (the half width of the square base, from its centre to the middle of an edge).

Name	Type	Range	Default
Position	Vector	vec	[0, 0, 0]
Height	Number	any	1
Base Size	Number	any	0.5

Outputs: Distance to the pyramid surface, negative inside. Use with Shape to Solid or Shape to Stroke.

Name	Type	Range
Signed Distance	Number	sdf

Rhombus SDF

Creates a diamond-shaped column standing upright along the Y axis. The diamond lies in the XZ plane with a corner on the X axis and a corner on the Z axis, and is extruded along Y with flat ends. The body is centred on the origin.

Inputs: Position, dimensions (the half extent along each axis: centre to corner in X and Z, centre to the flat end in Y), and sharpness (1 for knife-sharp corners, 0 for fully rounded).

Name	Type	Range	Default
Position	Vector	vec	[0, 0, 0]
Dimensions	Vector	vec:≥0	[0.5, 0.5, 0.5]
Sharpness	Number	0-1	1

Outputs: Distance to the surface, negative inside. Use with Shape to Solid or Shape to Stroke.

Name	Type	Range
Signed Distance	Number	sdf

Round Box SDF

Creates a box with smooth rounded corners. Like a rounded rectangle in 3D.

Inputs: Position, box dimensions, and corner roundness.

Name	Type	Range	Default
Position	Vector	vec	[0, 0, 0]
Size	Vector	vec:≥0	[0.5, 0.5, 0.5]
Corner Radius	Number	≥0	0.1

Outputs: Distance to the surface.

Name	Type	Range
Signed Distance	Number	sdf

Rounded Cone SDF

Creates a tapered cone standing upright along the Y axis, flat at both ends with its two rims rounded off. The base lies in the XZ plane and the body is centred on the origin. Give the two radii different values for a taper, the same value for a rounded cylinder, or a top radius of zero for a point. Roundness rounds the rims inwards, so each flat end is roundness narrower than the radius given for it.

Inputs: Position, height (the full extent along Y), base radius and top radius (the radii of the cone at its two ends, measured before the rims are rounded), and roundness (how far the fillet reaches, capped at half the height).

Name	Type	Range	Default
Position	Vector	vec	[0, 0, 0]
Height	Number	any	1
Base Radius	Number	any	0.5
Top Radius	Number	any	0.1
Roundness	Number	any	0.05

Outputs: Distance to the surface, negative inside. Use with Shape to Solid or Shape to Stroke.

Name	Type	Range
Signed Distance	Number	sdf

Rounded Cylinder SDF

Creates a cylinder with smooth rounded edges on top and bottom. Like a pill shape.

Inputs: Position, radius, height, and roundness.

Name	Type	Range	Default
Position	Vector	vec	[0, 0, 0]
Height	Number	any	1
Radius	Number	any	0.5
Roundness	Number	any	0.1

Outputs: Distance to the surface.

Name	Type	Range
Signed Distance	Number	sdf

Segment 2D SDF

Creates a flat capsule between two points in the XY plane: a line with rounded ends. The Z axis is ignored, so the shape extends as an infinite slab through depth.

Inputs: Position (usually from Pixel Position, only X and Y are read), the two endpoints (only their X and Y are read), and thickness (the full width of the line).

Name	Type	Range	Default
Position	Vector	vec	[0, 0, 0]
Point A	Vector	vec	[-0.3, 0, 0]
Point B	Vector	vec	[0.3, 0, 0]
Thickness	Number	any	0.1

Outputs: Distance to the line edge, negative inside. Use with Shape to Solid or Shape to Stroke.

Name	Type	Range
Signed Distance	Number	sdf

Sphere SDF

Creates a sphere shape. Connect to Solid or Stroke nodes to use in your effect.

Inputs: Position (usually from Pixel Position) and radius (size).

Name	Type	Range	Default
Position	Vector	vec	[0, 0, 0]
Radius	Number	any	0.5

Outputs: Distance to the sphere surface. Use with Shape to Solid or Shape to Stroke.

Name	Type	Range
Signed Distance	Number	sdf

Star 2D SDF

Creates a flat star in the XY plane, with one point facing right along the X axis. The Z axis is ignored, so the shape extends as an infinite prism through depth. Inner Ratio controls how deep the notches cut: near 1 the star rounds out into a polygon, near 0 it becomes a spiky asterisk.

Inputs: Position (usually from Pixel Position, only X and Y are read), radius (distance from the centre to each outer point), inner ratio (0-1), and the number of points.

Name	Type	Range	Default
Position	Vector	vec	[0, 0, 0]
Radius	Number	any	0.3
Inner Ratio	Number	0-1	0.45
Points	Number	3+	5

Outputs: Distance to the star edge, negative inside. Use with Shape to Solid or Shape to Stroke.

Name	Type	Range
Signed Distance	Number	sdf

Tetrahedron SDF

Creates a regular tetrahedron: a pyramid built from four equal triangles, standing with one corner pointing up along Y and the opposite face lying flat in the XZ plane below it. The body is centred on the origin, so the flat face sits a third of the size below it.

Inputs: Position and size (the distance from the centre to each of the four corners).

Name	Type	Range	Default
Position	Vector	vec	[0, 0, 0]
Size	Number	any	0.7

Outputs: Distance to the tetrahedron surface, negative inside. Use with Shape to Solid or Shape to Stroke.

Name	Type	Range
Signed Distance	Number	sdf

Torus SDF

Creates a donut/ring shape. Major radius is the ring size, minor radius is the tube thickness.

Inputs: Position, major radius (ring size), minor radius (tube thickness).

Name	Type	Range	Default
Position	Vector	vec	[0, 0, 0]
Major Radius	Number	any	0.5
Minor Radius	Number	any	0.1

Outputs: Distance to the torus surface. Use with Shape to Solid or Shape to Stroke.

Name	Type	Range
Signed Distance	Number	sdf

Triangle 2D SDF

Creates a flat equilateral triangle in the XY plane, pointing up. The Z axis is ignored, so the shape extends as an infinite prism through depth.

Inputs: Position (usually from Pixel Position, only X and Y are read) and radius (distance from the centre to each corner).

Name	Type	Range	Default
Position	Vector	vec	[0, 0, 0]
Radius	Number	any	0.25

Outputs: Distance to the triangle edge, negative inside. Use with Shape to Solid or Shape to Stroke.

Name	Type	Range
Signed Distance	Number	sdf

Triangular Prism SDF

Creates a 3-sided prism standing upright along the Y axis. Like a Toblerone bar stood on end. The equilateral triangle lies in the XZ plane, with one corner pointing along +Z.

Inputs: Position, height (the full extent along Y), and radius (distance from the centre of the triangle to each corner).

Name	Type	Range	Default
Position	Vector	vec	[0, 0, 0]
Height	Number	any	0.5
Radius	Number	any	0.5

Outputs: Distance to the prism surface.

Name	Type	Range
Signed Distance	Number	sdf

SDF Primitive Nodes

Nodes

Box 2D SDF

Box Frame SDF

Box SDF

Capped Torus SDF

Capsule SDF

Circle 2D SDF

Cone SDF

Cylinder SDF

Ellipsoid SDF

Gyroid SDF

Heart 2D SDF

Hexagon 2D SDF

Hexagonal Prism SDF

Icosahedron SDF

Julia Set SDF

N-gon 2D SDF

Octahedron SDF

Plane SDF

Pyramid SDF

Rhombus SDF

Round Box SDF

Rounded Cone SDF

Rounded Cylinder SDF

Segment 2D SDF

Sphere SDF

Star 2D SDF

Tetrahedron SDF

Torus SDF

Triangle 2D SDF

Triangular Prism SDF

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