16 stepanp21 3d models found
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thingiverse
free
Paraboloid by stepanp21
... source code in openscad is attached.
this model was designed as part of the manipulative calculus project at harvard university.
thingiverse
free
Hyperbolic Paraboloid by stepanp21
... surface in the z direction slightly.
this model was designed as part of the manipulative calculus project at harvard university.
thingiverse
free
Wireframe Paraboloid and Disk by stepanp21
...9; theorem in multivariable calculus.
this model was designed as part of the manipulative calculus project at harvard university.
thingiverse
free
Contours on a surface by stepanp21
...t to complement the paper "3d printed manipulatives in a multivariable calculus classroom" which will appear in primus.
thingiverse
free
Function Graph by stepanp21
...ut we used mathematica to find a function with the properties we wanted to for the lessons we will use in multivariable calculus.
thingiverse
free
Was Aristotle right? by stepanp21
...on of tetrahedra and octahedra, and tetrahedra "dipped" into a sphere to illustrate their approach to the calculations.
thingiverse
free
Multivariable Function Lesson by stepanp21
...ssroom" which will appear in primus.
the three functions used here are:
f(x,y) = x^2+y^2
f(x,y) = xy
f(x,y) = 2xe^(-x^2-y^2)
thingiverse
free
Sudanese Moebius Band by stepanp21
...ce two-sided flower vase!
i was able to print without supports, but a brim is necessary to allow the figure to stand up straight.
thingiverse
free
Multivariable Limit Lesson by stepanp21
...y4)
sin(x2 + y2) / (x2 + y2)
it turns out that in the first two examples, the limit does not exist, but in the third one it does.
thingiverse
free
Relativity Project by stepanp21
...ions and an interactive widget are here, and the reldisk.stl model illustrates a disk, and how it might curl if spun fast enough.
thingiverse
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Siefert Surface for Trefoil by stepanp21
...rclockwise.
i had never seen a closed-form equation for a seifert surface before, so i decided it would be fun to figure one out.
thingiverse
free
Coordinate system solids by stepanp21
...cylindrical or spherical coordinates.
this model was designed as part of the manipulative calculus project at harvard university.
thingiverse
free
Graded Paths Lesson by stepanp21
... found on the model.
project source: reese, margaret. computing project for multivariable calculus. primus. vol. 6, iss. 2, 1996.
thingiverse
free
Solid Figure for Triple Integral Practice by stepanp21
...ption to have a hole down the middle.
this model was designed as part of the manipulative calculus project at harvard university.
thingiverse
free
Fubini's Theorem Lesson by stepanp21
...t to complement the paper "3d printed manipulatives in a multivariable calculus classroom" which will appear in primus.
thingiverse
free
Clebsch Surface: 27 Lines on a Cubic by stepanp21
...ein and alfred clebsch in the 1870s), all 27 of the lines appear in the real numbers. the lines are marked in the attached image.