Documentation

• Primitives
• Geometry
• Combinations
• Modifications
• Lattices
• Meshing
• Analysis

Primitives

Icon	Name	Description	Inputs	Output(s)
	axSphere	Creates a sphere	r: sphere radius c: center point	d: the sphere object (sdf)
	axBox	Creates a box with an optional edge fillet.	a: length along the x axis b: length along the y axis c: length along the z axis r: edge fillet radius p: plane of origin	d: the box object (sdf)
	axCylinder	Creates a cylinder.	r: radius of the cylinder h: height of the cylinder p: plane of origin	d: the cylinder object (sdf)
	axTorus	Creates a torus.	r1: radius of the “donut” (axis) r2: radius of the pipe p: plane of origin	d: the torus object (sdf)
	axPlane	Creates a series of planes.	n: list of normal vectors o: offset distance from the origin	d: the plane objects (sdf)

Geometry

Icon	Name	Description	Inputs	Output(s)
	axPipe	Creates a pipe along a curve.	c: the axis curve r1: radius at the start of the curve r2: radius at the end of the curve	d: the pipe object (sdf)
	axMesh	Creates a distance field from a mesh. If the mesh is closed, points inside will return negative values.	m: the mesh	d: the mesh object (sdf)
	axSurface	Creates an SDF by thickening a surface.	s: the surface t: the thickness (half on either side)	d: the surface object (sdf)

Combinations

Icon	Name	Description	Inputs	Output(s)
	axUnion	Creates a Boolean union.	a: list of / single sdf object(s) b: second sdf object	d: the union object (sdf)
	axIntersection	Creates a Boolean intersection.	a: list of / single sdf object(s) b: second sdf object	d: the intersection object (sdf)
	axSubtraction	Creates a Boolean subtraction a-b.	a: sdf object to subtract from b: sdf object to subtract	d: the intersection object (sdf)
	axBlend	Creates a smooth blend union.	a: first sdf object b: second sdf object f: smoothing factor (default 2.0)	d: the blend object (sdf)
	axMorph	Morphs one object into another object.	a: first sdf object b: second sdf object f: morphing factor f=0>d=a, f=1>d=b d=(1-f)*a+f*b	d: the intermediate object (sdf)

Modifications

Icon	Name	Description	Inputs	Output(s)
	axTransform	Applies a matrix transformation to an object.	x: the sdf object to be transformed m: the 4x4 transformation matrix (e.g. translation, rotation, shear…)	d: the transformed object (sdf)
	axShell	Creates a shell from a solid.	x: the solid sdf object t: thickness of the shell s: side factor (1: inside, 0.5: half/half, 0: outside)	d: the shell object (sdf)
	axTwist	Creates a twist object (works only for those who have a get_bounds method).	x: the solid sdf object to be twisted a: the twist angle	d: the twist object (sdf)
	axOverlay	Creates an overlay by adding a fraction of object b to object a.	a: the base sdf object (modified) b: the object to be added (modifier) f: intensity factor d = a + f * b, default: 0.01	d: the modified object (sdf)

Lattices

Icon	Name	Description	Inputs	Output(s)
	axLattice	Creates one of different types of lattices.	l: the type of lattice (see output n for dictionary of names) u: the unit cell size t: thickness of the struts	d: the lattice object (sdf) n: dictionary of lattice names
	axTPMS	Creates a micro-structure / lattice using triply periodic minimal surfaces (TMPS).	i: index - 0: Gyroid - 1: SchwartzP - 2: Diamond - 3: FischerKoch - 4: Lidinoid - 5: Neovius w: the wavelength	d: the lattice object (sdf) n: list of TPMS names
	axNoise	Volumentric Perlin Noise.	w: the wavelength (default = 16) a: the amplitude (default = 4)	d: the noise object (sdf)

Meshing

Icon	Name	Description	Inputs	Output(s)
	axOctree	Creates a sparse voxel octree (SVO) subdivision.	x: the sdf object used for distance calculation p: the center point of the root node (default: 0,0,0) d: the edge length of the root node (default: 6.0) n: the maximum number of subdivisions (default: 4)	t: the octree object, t.leafs is a list of leaf nodes (for MC meshing)
	axMCubeOctree	Creates a marching cubes isosurface from an octree.	t: the subdivided octree	m: the isosurface mesh p: the leaf node center points (for debugging)
	axMCubeGrid	Creates a marching cubes isosurface from a dense grid.	b: the bounding box (same as for axDenseGrid) v: the distance values n: the resolution tuple (nx, ny, nz)	m: the isosurface mesh p: the leaf node center points (for debugging)
	axDenseGrid	Samples a SDF object in a dense grid.	b: the bounding box d: the (approximate) spacing of the points o: the distance object	p: a list of points, xyz order v: a list of distance values corresponding to the points n: a tuple with the number of points (nx, ny, nz), for the MC component

Analysis

Icon	Name	Description	Inputs	Output(s)
	axGradient	Calculates the gradient vector for every p in pts.	x: the sdf object used for distance calculation pts: a list of points for which to calculate the gradient e: epsilon, the offset distance from p to calculate central difference	a: a list of 3d vectors for each point in pts