5 model

Free

Dual-Axis Solar Tracker with Arduino (USB Power)

Cults3D · 2 kaynakta

Free

3d printed wind generator design

Sketchfab

Free

CrankGlow Battery Free Hand Crank LED Lamp

MyMiniFactory · 2 kaynakta

Free

Solar Powered Mini Helicopter –Easy 3D Printed Toy

Cults3D · 2 kaynakta

Free

Sunlu dryer - remowable hygrometer holder with PTFE PC4-M6 filament feeder

Thingiverse