Box Cutter with Replaceable Blades

Box cutter with replaceable blades & Keychain hole Printer settings: Layer height: 0.1mm Vertical shell 3 - Solid layers - Top 3 - Bottom3 Infill: 15% Grid Skirt: Loops 4 - Skirt height 2 (Only for blades to help them stay on the build plate) Hardware needed: M2 12 bolt, washer, lock washer & M2 3 thread insert Handle made of PLA+ with blades being PCTG for durability but will wear down over time due to friction Curved handle for front or side grip with knurls to keep thumb from sliding Feel free to make changes or suggest your ideas!