Funnel - max speed for PET bottle - vented

Optimized funnel for standard PET bottle filling. Big hole is ideal for bulk material (rice,sugar,etc..)
Wall thikness is 1.6mm.

Optimal extruder is for strong and quick print: 0.8mm and 0.4-0.5mm layer thickness and 0.4mm extruder and 0.2mm layer for better surface and slow print.
Reinforced exposed places!!
40grams PLA for one funnel!
Original Spark mechanical file included