Silica Gel Canister Holder

I use the rechargeable silica cannisters compatible with the [Pelican 40 gram 1500D Silica Gel Canisters](http://www.pelican.com/us/en/product/miscellaneous-products/miscellaneous-products/peli-desiccant-silica-gel/1500D/) in my Samla boxes where I store my filament. Usually I just throw one in the bottom of each box, but was always concerned that the spools would crush the canisters.

So, I made this holder in Tinkercad to hold the canister and allow me to attach it to the lid or side to kee