Truncated Cuboctahedron of Cubes

<h2 data-rte-spaces-before="1" data-rte-spaces-after="1"> Related construction </h2>
<p data-rte-fromparser="true" data-rte-empty-lines-before="1">The construction described above may be created without the blue triangles and rods.  This is actually a <i>relatively</i> stable construction when using classic Geomag rods.  This is because the direction that the inner cuboctahedron 'wants' to collapse is prevented by the minimum angular limit of the classic Geomag rods.  [Thanks to <a data-rte-meta="%7B%22type%22%3A%22internal%22%2C%22text%22%3A%22Karl%20Horton%22%2C%22link%22%3A%22User%3AKarl%20Horton%22%2C%22wasblank%22%3Afalse%2C%22noforce%22%3Atrue%2C%22wikitext%22%3A%22%5B%5BUser%3AKarl%20Horton%7CKarl%20Horton%5D%5D%22%7D" data-rte-instance="2837-17397546025f026e6d806de" href="/wiki/User:Karl_Horton" title="User:Karl Horton">Karl Horton</a> for pointing out the instability of this construction as shown]
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<table data-rte-washtml="1" data-rte-line-start="true" border="1" cellpadding="8" data-rte-attribs=" border=1 cellpadding=8" data-rte-empty-lines-before="1">
<tr data-rte-washtml="1" data-rte-line-start="true"><td data-rte-washtml="1"><img data-rte-meta="%7B%22type%22%3A%22image%22%2C%22wikitext%22%3A%22%5B%5BImage%3ACubes%20%28just%29%209725%20Med%20.jpg%7C400px%5D%5D%22%2C%22title%22%3A%22Cubes_%28just%29_9725_Med_.jpg%22%2C%22params%22%3A%7B%22alt%22%3A%22Cubes%20%28just%29%209725%20Med%20%22%2C%22caption%22%3A%22%22%2C%22width%22%3A400%7D%7D" data-rte-instance="2837-17397546025f026e6d806de" alt="" src="https://vignette.wikia.nocookie.net/geomag/images/c/c5/Cubes_%28just%29_9725_Med_.jpg/revision/latest/scale-to-width-down/400?cb=20100124143121" width="400" height="309" class="image" data-image-name="Cubes (just) 9725 Med .jpg" data-image-key="Cubes_%28just%29_9725_Med_.jpg"  type="image" /> </td>
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<p data-rte-fromparser="true" data-rte-empty-lines-before="1">This object may be constructed by building a rhombicuboctahedron, and then augmenting some of its square faces (specifically those adjacent to triangles) with cubes.  Any square face of the rhombicuboctahedron that is surrounded solely by squares should be left as an open hole (in addition to leaving all the triangular faces as open holes).
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