Thingiverse
MakerWorld
MyMiniFactory
Printables
Thangs
Cults
CGTrader
Youmagine
Gambody
Etsy
Tags
Thickness 3D Printable Models
feel-o-strength
Thingiverse
OpenHardwareSociety
H2D Poop Chute slim
MakerWorld
Officina23
nobufil Filament Swatch
Printables
Nobufil3D
Simple Pottery Foot Thickness Gauge
Printables
dotStudio
Thickness gauges
Printables
Tanner Wiltshire
Design Sizer single piece – 1 – 15 mm thickness
MakerWorld
Sage Prints and Design
Radius Gauges (R1-25 mm) and Thickness Gauges (1-10 mm)
MakerWorld
Brigs164
1mm to 5mm Thickness Swatch
Printables
Roykinn7
Elegoo neptune 3/4 Spool Holder Thiccened
Printables
Hunt05
Metabo HC260 Thickness Planer Chain Gearwheel
Printables
Eimantas Fedotovas
Shim thickness
Printables
-Tyrael-
Just a universal wall mount, but only 7mm thick
MakerWorld
CloPrint
KeyRuler: Compact Key-Shaped 5cm Ruler Tool
MakerWorld
ZioFester
Thickness caliper
MakerWorld
Lossamoal
Gauge 1mm to 7mm
MakerWorld
haldamir