Thingiverse
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MyMiniFactory
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Thangs
Cults
CGTrader
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Etsy
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13mm 3D Printable Models
S Hook Clothing 7-13mm - Ultra Round
MakerWorld
Adaks
Minitrichter 13mm für Kettenöl Mini Astsäge Mini funnel 1/2 Inch diameter chain oil chain saw
Thingiverse
Homie_666
Gardena Micro Drip 13mm Hose Holder 35cm (XL)
Printables
Majk
Ø13mm Hose connector for Gardena Micro-Drip
MakerWorld
Raise 3D
The Clock
$4
Thangs
Mr Campbell Prints
Hole size gauge 3mm to 13.9mm with raised numbers
MakerWorld
GFPIYA
IBC Tank Adapter S60x6 - 38mm 32mm 19mm 13mm
MakerWorld
michi946
Combo Magnet Tool with Nozzle Brush (1 Color)
MakerWorld
GFPIYA
Combo Magnet Tool with Nozzle Brush 2 Color NO AMS
MakerWorld
GFPIYA
Combo Magnet Tool with Nozzle Brush 2 Color AMS
MakerWorld
GFPIYA
Universal Magnet Insertion Tool (1 color)
MakerWorld
GFPIYA
Universal Magnet Insertion Tool (2 color NO AMS)
MakerWorld
GFPIYA
Universal Magnet Insertion Tool (2 color AMS)
MakerWorld
GFPIYA
13mm- to 14mm- Threaded Barrel Adapter for Airsoft
MakerWorld
Skinny Scouter
Hole size gauge 3mm to 13.9mm (2 color version)
MakerWorld
GFPIYA
Dose Nikon Bajonett Filter; Filterbox Nikon Bayonet Filter
Printables
blechbude
Aquarium Filter Strainer 12mm
Printables
robomo
1/2" PVC Pipe Connectors for RaceGOW / Tiny Whoops
MakerWorld
Tanzelini
Adjustable Drill guide with stop and elements
MakerWorld
Meister Edel
Hand pump handle with 13mm hole
Printables
Integra Computers
G1/4 Barbed Fitting For 5mm to 13mm Hoses
Printables
Shadow_964
Large Bottle Holder for Multiboard
MakerWorld
ESPN8_TheOcho
13 mm Big Thread, Push-Fit Hole, Bolt
Thangs
Multiboard
13 mm Big Thread, Push-Fit Hole, Shank Bolt
Thangs
Multiboard
Y-piece Faucet
MakerWorld
ohrenstoepsel
PTFE Tube Chamfer and Cut Jig
Thingiverse
Area51