Plug in 3D pen.
Click button next to display until PLA is selected.
Push forward button to start heating and display temperature.
When light turns green pen is ready.
Cut end of filament square.
Double click forward button to pull and load filament into pen, insert filament into the pen.
Slider adjusts filament speed. Towards nozzle is slower.
Click forward button to toggle filament advance on and off.
ALWAYS REMOVE FILAMENT BEFORE TURNING OFF
Click the back button to remove filament.