Summary I couldn't seem to find the simple box cutters laying around the house/office. I had lots of blade but not the box cutter itself. Might be helpful to someone else. Print Settings Printer Brand: Prusa Printer: i3 MK2S Rafts: No Supports: No Resolution: 0.1 Infill: 100 Notes: Material: PLA Note: Model are set in the correct orientation to be printed. Post-Printing Step 1 - Prepare to bend in the middle of the model Step 2 - Add super glue to the rectangular channel Step 3 - Fold in half completely until glue has set. Step 4 - Insert blade from the top down, it will rest between the two halves. Step 5 - Insert Tap Knife assembly into the jacket. Step 6 - Success! How I Designed This Fusion 360 Fusion 360 N00b.