CalcPlot3D

×

File
Help Manual
Project Website
Scripts
Print Plot
3D Options
View Settings
- Enter a coloring function
- Axis Labels
- Add Top Titles
- Hidden Surface Mode
- Show two views
- Unlink two views
- Set Viewpoint
- Reset 3D View
- Reset Center
- Default 3D View with y-axis Up
- View above xy-plane
- View above xz-plane
- View above yz-plane
- Lock 2D mode once on
- Disable trace
- Lock boolean checkboxes
Explorations
Examples

Function Surfaces:

Mountain-White
Mountain-Green
Mountain-Yellow
Mountain 1
Mountain 2
Mountain 3
Mountain 4
Mountain 5
Mountain 6

Space Curves:

Implicit Surfaces:

Parametric Surfaces:

Vector Fields:

Saddle
Stable Node
Unstable Spiral
Cycle
Predator-Prey 1
System w/ Equilibrium Pts
Non-autonomous System
Non-autonomous System 2
3 x 3 Linear System
Lorenz Attractor
Lorenz Attractor w/ parameters
Simplified Lorenz System

Solids of Revolution:

Teardrop Tank
Torus
Pontoon
M&M candy (Oblate Spheroid)
Football (Prolate Spheroid)

☰

Welcome to CalcPlot3D!

Mon Mar 31 2025 07:16:03 GMT+0000 (Coordinated Universal Time)

Contour Plot Settings:
×First level value:
Step size:
Number of contours:
# of grid pts each row:

c = -1, -0.8, -0.6, -0.4, -0.2, 0, 0.2, 0.4, 0.6, 0.8, 1

Contour color:

▼

Add a Constraint Curve

Show xy-plane grid
Show xy-plane grid on box in 3D
Show contours on surface
Project contours on xy-plane

Projection color:

▼

Hide the surface
Hide the contour labels

Show gradient vector field

Add a Constraint Curve

No constraint
Function, y = f(x)
Circle centered at origin
Ellipse centered at origin
Parametric curve

Show constraint curve in xy-plane in 3D plot

Show gradient vectors in 2D Plot
Show gradient vectors in 3D Plot

Curve width =Show drop curtain to xy-plane

Enter Constraint:

y =
Note: The gradient will be calculated assuming g(x, y) = f(x) - y.

Enter Circle Constraint:

x² + y² =

Enter Ellipse Constraint:

x²/a² + y²/b² = 1

a =
b =

Enter Constraint:

x(t) =
y(t) =

≤ t ≤

Number of Steps:

STL File Creation Options:

Solid name:

xy-dimensions of the printed solid:
in × in

Printed solid thickness: in

Region Settings:
Gap between washers/shells: mm
Save washers/shells in separate STL files

Add ledge supports to align slices
Ledge thickness: mm

Contour Plot Options:
z-Layers (variable thickness for bands)
Wrap each contour with a tube
Bands of equal width on the surface

Thickness of bands in z-direction:

Radius of tube around contours:

# of steps in "circles" forming tubes:

Uniform width of bands on the surface:

Include contours in contours STL file
Include constraint in contours STL file

Create surface thickness to make the surface solid?
Yes No(Thickness should always be created for non-solids.)

Direction to move to create thickness:
Opposite Normals
Normal Direction
Half-and-half
z-Shift Down

File type:
Binary file ASCII file

Scale factor (in. to mm):

Show xy-gridlines
Show xz-gridlines
Show yz-gridlines
Show gridlines on box
Show planes with grids
Show box
Show axes
Show ticks & labels

Grid color:

▼

Format Axes:

x-min: x-max:
y-min: y-max:
z-min: z-max: x-tick: x-scalefactor: y-tick: y-scalefactor: z-tick: z-scalefactor: lower z-clip: upper z-clip:

Focus Point:

x =

y =

z =

r =

ρ =

θ = degrees ≈ radiansφ = degrees ≈ radians

Show dashed z-coord line

Show in 2D for polar coords

Show vertical trace plane in 3D plot

Use this slider to move along the trace.

Coordinate system:

Enter trace point
Show trace point only
Show tangent plane at point
Show gradient at point on surface
Show gradient at input point
Show normal vector at point
Show fx trace/tangent line
Show fy trace/tangent line
Show dir derivative trace
Enter a direction vector
Hide all objects

u =

v =

Fix vectors to circle with r = 2
Free vectors

Option 1Option 2

Order: red × blueblue × red

c =

Show the u-perp vector
Add u-perp to projection

Vary vectors in 3D
Common vertex:

Show xy-gridlines in 3D plot

red x =

red y =

red z =

blue x =

blue y =

blue z =

Show dashed support lines in 3D

Vary z on sphere using xy-plane

Add to graph:

x

Surface Settings:
×

Transparency =
(0-255, -1 = default)

Hide my edges

Normal appearance
Reversed colors
Wireframe only
Constant color

Constant color:

▼

≤ x ≤
≤ y ≤

Display this function's Taylor polynomials

Taylor poly degree =

centered about: =

Hide Taylor poly surface
Hide f(x,y) surface
Show Taylor poly equation
Emphasize Taylor poly equation
Show f(x,y) function
Pin setting dialog

Hide Taylor poly edges
Taylor poly transparency =
(0-255, -1 = default)

Link display to checkbox boolean

Display if is selected

Make this the active trace surface

$f(x,y)=$z =

$z=\frac{7 x y}{e^{x^{2}+y^{2}}}$

Number of Gridlines