Thingiverse
MakerWorld
MyMiniFactory
Printables
Thangs
Cults
CGTrader
Youmagine
Gambody
Etsy
Tags
Measurements 3D Printable Models
Saw/Router height gauge
Thingiverse
KLeviticus
Filament spool gauge with or without AMS
MakerWorld
FORMASTAMPA
Dial Caliper v 3.0
MakerWorld
ID3D
Dial Caliper 2.0
MakerWorld
ID3D
Bracelet sizer 12cm - 25 cm (0.5 cm increments) (Bracelet Measurement Tool)
Thingiverse
xXPBSXx
CMF Blueprint Case (incl. ruler for measuring!)
Printables
GlennovitS 3D
The Dual Rook - 3D printer Benchmark
Thingiverse
BCN3D
Angle Taker - Easy way to take an angle in tight spaces
$0
MyMiniFactory
Muzz64