Normal2 returns the normal of an SDF3 at a point (doesn't need to be on the surface). Computed by sampling it several times inside a box of side 2*eps

PipeLookup returns the parameters for a named pipe.

RandomSet returns a set of random points from within a 3d box.

RotateToVector returns the rotation matrix that transforms a onto the same direction as b.

Save writes a dxf drawing object to a file.

----------------------------------------------------------------------------- SawTooth generates a sawtooth function. Returns [-period/2, period/2)

ToV2i converts 2d region float coordinates to grid integer coordinates.

boxHole3d returns an oriented countersunk hole for the box side.

-----------------------------------------------------------------------------

f0 returns the function value for a given t value.

Return the function value for a given t value.

Return the first derivative for a given t value.

----------------------------------------------------------------------------- 4 part panel box Convert the tab pattern to "..x.." form with the tab ty

lineFilter returns the intersection of a box and a set of line segments.

minDistance2 returns the minium distance squared between a point and the line.

----------------------------------------------------------------------------- tAppend appends a t-value to the slice if it is unique and in range.

AddTabs to an upper or lower object.

AddV2 adds a V2 vertex to a polygon.

Arrow3D returns an arrow.

Axes3D returns a set of axes for a 1, 2 or 3d coordinate systems.

Bolt returns a simple bolt suitable for 3d printing.

----------------------------------------------------------------------------- BoltCircle2D returns a 2D profile for a flange bolt circle.

BoltCircle3D returns a 3D object for a flange bolt circle.

----------------------------------------------------------------------------- ChamferedCylinder intersects a chamfered cylinder with an SDF3.

----------------------------------------------------------------------------- Public API for polygons Close closes the polygon.

Contains checks if the 2d box contains the point.

Degenerate returns true if the line is degenerate.

----------------------------------------------------------------------------- Equals returns true if a == b within the tolerance limit.

Equals tests if two triangles are equal within tolerance.

Hex3D returns a 3d hexagon with rounded corners.

HexRadius returns the hex head radius.

InvoluteGear returns an 2D polygon for an involute gear.

Length returns the vector length.

Line outputs a line to the SVG file.

Lines adds a set of lines to a dxf drawing object.

Loft3D extrudes an SDF3 that transitions between two SDF2 shapes.

MakeThreeArcCam makes a three arc cam profile from design parameters.

Max return the maximum components of a set of vectors.

Min return the minimum components of a set of vectors.

MirrorXZ returns a 4x4 matrix with mirroring across the XZ plane.

MirrorXeqY returns a 4x4 matrix with mirroring across the X == Y plane.

Mul multiplies 3x3 matrices.

MulScalar multiplies each vector component by a scalar.

Nut returns a simple nut suitable for 3d printing.

PlasticButtressThread returns the 2d profile for a screw top style plastic buttress thread. Similar to ANSI 45/7 - but with more corner rounding. See

Position returns the position on the line given the t value.

RotateCopy3D rotates and creates N copies of an SDF3 about the z-axis.

Scale2d returns a 3x3 scaling matrix. Scaling does not preserve distance. See: ScaleUniform2D().

Scale3d returns a 4x4 scaling matrix. Scaling does not preserve distance. See: ScaleUniform3D()

ThreadLookup lookups the parameters for a thread by name.

ThreeArcCam2D creates a 2D cam profile. The profile is made from a base circle, a smaller nose circle and circular flank arcs. The base circle is cent

ToV2 converts grid integer coordinates to 2d region float coordinates.

----------------------------------------------------------------------------- VertexToLine converts a set of vertices into a set of line segments.

-----------------------------------------------------------------------------

-----------------------------------------------------------------------------

----------------------------------------------------------------------------- clamp x between a and b, assume a <= b

PLA ~0.1% var shrink = 1.0/0.995; // ABS ~0.5% ----------------------------------------------------------------------------- colSpace returns the spac

-----------------------------------------------------------------------------

index uses fibonacci hashing (multiply by golden ratio constant, take high bits) to distribute keys evenly across the table. This gives better distrib

return the involute angle for a given radial distance

makeMeshEdge returns a canonical (sorted) edge so (a,b) == (b,a).

newTriangleInfo pre-calculates the triangle information.

nextPowerOfTwo is https://stackoverflow.com/questions/466204/rounding-up-to-next-power-of-2

-----------------------------------------------------------------------------

prevVertex returns the previous vertex in the polygon.

----------------------------------------------------------------------------- rotateToXY returns the transformation matrix that maps t[0] to the origi

----------------------------------------------------------------------------- Basic spin cap with variable pin size.

----------------------------------------------------------------------------- toPoint3D converts a 3D float vector to a go3mf 3D vector.

xOffset returns the x-offset between adjacent rows

ANSIButtressThread returns the 2d profile for an ANSI 45/7 buttress thread. https://en.wikipedia.org/wiki/Buttress_thread AMSE B1.9-1973 The polygon

----------------------------------------------------------------------------- Thread Profiles AcmeThread returns the 2d profile for an acme thread.

Add adds two vectors. Returns a + b.

Angle3D returns a piece of 3d angle.

Cache2D wraps the passed SDF2 with an evaluation cache.

Canonical converts a triangle set to it's canonical form. This common form is used to facilitate comparison between the results of different implement

Capsule3D return an SDF3 for a capsule.

Center returns the center of a 2d box.

Chamfer marks the polygon vertex for chamfering.

Contains checks if the 3d box contains the point.

----------------------------------------------------------------------------- CounterBoredHole3D returns the SDF3 for a counterbored hole.

Degenerate returns true if the triangle is degenerate.

Determinant returns the determinant of a 3x3 matrix.