Sphere: 20 disks

by dennedesigns, published

Sphere: 20 disks by dennedesigns Jun 22, 2015
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947Views 299Downloads Found in Math


The sphere is approximated by 20 very thin solid cylinders. This illustrates the disk method of finding the volume of the sphere, commonly found in a Calculus II course.

This model was designed and printed by my WLU summer research student Emily Jaekle ('16). A full description of the build can be found at http://mathvis.academic.wlu.edu/2015/06/22/volumes-by-slicing-disk-method/


This object was made on a MakerBot2X. We used the following settings:
2 shells
0.20mm layer height
10% infill (hexagonal pattern)
color matched supports
raft off

We had some problems printing this shape, the first time the bottom disk came off. The second time it worked fine - we just needed to wait longer before removing it from the build bed.

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