Mcm double hexamer
thingiverse
This is a 3D resconstruction of the Methanobacterium thermoautotrophicum Mcm complex derived from negatively stained transmission electron micrographs from http://www.pdbj.org/emnavi/emnavi_detail.php?id=1134 Instructions I tried to print this upright (i.e., with the hollow barrel pointing up from the build plate) without support, but that only worked to the 50% point where the overhangs started. Printing on its side (as in the attached image) is going much more smoothly.
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