desiccant container drill guide

These are pre-made aluminum containers with screw caps. I created a stencil to drill holes in the top and bottom so they can be filled with desiccant.I chose metal containers so they can be placed directly in the oven for recharging. Their size is perfect for fitting inside filament spools.I’ve made three different versions—designed to be used either inside or outside the spool. Drilling from the inside makes it easier to clean out the metal shavings, but drilling from the outside is also possible.I purchased these containers from Amazon.https://www.amazon.ca/dp/B0BGM153CX?ref=ppx_yo2ov_dt_b_fed_asin_title