Thingiverse
MakerWorld
MyMiniFactory
Printables
Thangs
Cults
CGTrader
Youmagine
Gambody
Etsy
Tags
Exacto 3D Printable Models
Thick x-acto knife pen cap
Thingiverse
gilbertcerna
Compact #11 Exacto Knife Holder
Thingiverse
MachineMan45
Maker Knife / Utility Knife modified for printing
MakerWorld
Simeon
Xacto Holder for Ikea Skadis Pegboard
MakerWorld
Jaeger
3D Printer Tool Holder (SOVOL SV08)
MakerWorld
Saulius_Z
3D Printer Tool Holder (SOVOL SV08) (Perfect for keeping tools in a drawer)
Thingiverse
SauliusZ
Disposable Razor or blade container
MakerWorld
momofatts
Mini Pocket Knife
Printables
Magmabow
Exacto Multiboard Multibin Top
Thangs
ml4liberty
Scalpel blade sheath + grip
Printables
PHOENIX SYSTEMS UK
HSW - Utility Knife Holder (JIMIHOME)
Printables
victor dumont
Exacto knife
Thangs
SabreDesign
Exacto Knife Magnetic
MakerWorld
SabreDesign
Gridfinity - Utility Knife Tray
MakerWorld
Josh-3D
Chunky Hobby Knife With Cap For No.11 Blade
MakerWorld
RHSJR0727
Gridfinity Exacto Knife and blades holder - 250 Pcs 2x2x49mm
Thangs
tcromwell18
Gridfinity Exacto or Scalpel holder
Thangs
Niftyfixits
Nr.3 Scalpel Case with Spare Blade Storage
Thingiverse
Nleinad
K.U.T. Mini
Thingiverse
Pyrosam7
Desk / Tool Organizer
Thingiverse
Pyrosam7
Exacto Knife Blade Sheath
Thingiverse
wrthg
X-acto knife copy from a utility knife's blade
Thingiverse
Mati_DIY
Printable Hobby Knife - Number 11 X-Acto Blade Size
Thingiverse
pggibson
X-Actamundo Hobby Knife
Thingiverse
CDugD