I mean: sure you can replace a skylight with an arm - thick bundle of optical fibers, but why would you? (newscientist.com)
Here is what she did: she'd get loops of raw thread, undivided and in thick bundles, and by using the charkha, her job was to spin the thread so that it separated, and as it did, wound around a metal canister. (bookbrowse.com)
For the next few hours she collected eucalyptus branches from the forest floor, gathering them into a thick bundle. (jillianlauren.com)