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

SDF Primitive Nodes

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

This category contains 22 nodes.

Nodes

Box Frame SDF

Signed distance field for a hollow box frame

Inputs: Position, size, frame 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: Signed distance.

Name	Type	Range
Signed Distance	Number	sdf

Box SDF

Signed distance field for an axis-aligned box

Inputs: Position, size (half-extents in each dimension).

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

Outputs: Signed distance.

Name	Type	Range
Signed Distance	Number	sdf

Capped Torus SDF

Signed distance field for a torus section/cap

Inputs: Position, major radius, minor radius, 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: Signed distance.

Name	Type	Range
Signed Distance	Number	sdf

Capsule SDF

Signed distance field for a capsule (line segment with radius)

Inputs: Position, point A, point B, radius.

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

Outputs: Signed distance.

Name	Type	Range
Signed Distance	Number	sdf

Cone SDF

Signed distance field for a cone

Inputs: Position, angle (cone aperture), height.

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

Outputs: Signed distance.

Name	Type	Range
Signed Distance	Number	sdf

Cylinder SDF

Signed distance field for an infinite cylinder along Y-axis

Inputs: Position, radius.

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

Outputs: Signed distance.

Name	Type	Range
Signed Distance	Number	sdf

Ellipsoid SDF

Signed distance field for an ellipsoid

Inputs: Position, radii (x, y, z semi-axes).

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

Outputs: Signed distance.

Name	Type	Range
Signed Distance	Number	sdf

Gyroid SDF

Signed distance field for a gyroid (periodic minimal surface)

Inputs: Position, thickness, scale.

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

Outputs: Signed distance.

Name	Type	Range
Signed Distance	Number	sdf

Hexagonal Prism SDF

Signed distance field for a hexagonal prism

Inputs: Position, height, radius.

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

Outputs: Signed distance.

Name	Type	Range
Signed Distance	Number	sdf

Icosahedron SDF

Signed distance field for an icosahedron (20-sided polyhedron)

Inputs: Position, size.

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

Outputs: Signed distance.

Name	Type	Range
Signed Distance	Number	sdf

Julia Set SDF

Signed distance field for a 3D Julia set fractal

Inputs: Position, iterations, constant C.

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: Signed distance estimate.

Name	Type	Range
Signed Distance	Number	sdf

Octahedron SDF

Signed distance field for an octahedron (8-sided polyhedron)

Inputs: Position, size.

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

Outputs: Signed distance.

Name	Type	Range
Signed Distance	Number	sdf

Plane SDF

Signed distance field for an infinite plane

Inputs: Position, normal vector, distance from origin.

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

Outputs: Signed distance.

Name	Type	Range
Signed Distance	Number	sdf

Pyramid SDF

Signed distance field for a pyramid

Inputs: Position, height.

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

Outputs: Signed distance.

Name	Type	Range
Signed Distance	Number	sdf

Rhombus SDF

Signed distance field for a rhombus/diamond shape

Inputs: Position, dimensions.

Name	Type	Range	Default
Position	Vector	vec	[0, 0, 0]
Dimensions	Vector	vec	[0.5, 0.5, 0.5]
Sharpness	Number	any	0.1

Outputs: Signed distance.

Name	Type	Range
Signed Distance	Number	sdf

Round Box SDF

Signed distance field for a box with rounded edges

Inputs: Position, size, corner radius.

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: Signed distance.

Name	Type	Range
Signed Distance	Number	sdf

Rounded Cone SDF

Signed distance field for a cone with rounded base

Inputs: Position, radius1, radius2, 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	0.1

Outputs: Signed distance.

Name	Type	Range
Signed Distance	Number	sdf

Rounded Cylinder SDF

Signed distance field for a cylinder with rounded caps

Inputs: Position, radius, height.

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: Signed distance.

Name	Type	Range
Signed Distance	Number	sdf

Sphere SDF

Signed distance field for a sphere

Inputs: Position (3D point), radius.

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

Outputs: Signed distance (negative inside, 0 at surface, positive outside).

Name	Type	Range
Signed Distance	Number	sdf

Tetrahedron SDF

Signed distance field for a tetrahedron (4-sided polyhedron)

Inputs: Position, size.

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

Outputs: Signed distance.

Name	Type	Range
Signed Distance	Number	sdf

Torus SDF

Signed distance field for a torus (donut shape)

Inputs: Position, major radius (from center to tube center), 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: Signed distance.

Name	Type	Range
Signed Distance	Number	sdf

Triangular Prism SDF

Signed distance field for a triangular prism

Inputs: Position, height, width.

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

Outputs: Signed distance.

Name	Type	Range
Signed Distance	Number	sdf

SDF Primitive Nodes

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