Finally, put your new lunchbox in the office fridge (into which it fits nicely) and wait for your coworkers' reactions.
Step 6: Better
Once the posts were cut off, I ground the nubs down with the rotary's sanding attachment. Now it's nice and roomy in there. I left the 6 larger posts intact since they were originally intended to hold the case together. I thought they might help to add some stability.