20 second hourglass —
Founded 20 second hourglass models & stl files for printing
Nakozen
ims2020
Nakozen
Snafky
mussy
Platzhalter
Fabmaszter
3DWorksbyMatt
cobraboy3000
André
Peter Živčic
André
planet3dprinting
dutchmogul
LayerByLayerDesign
grzlus
Beaver
Tailslide
Brithawkes
jacprint