Test print object to test transparency of a particular plastic being printed. Does this by forming a 0.2mm thick window. The window is surrounded by a hoop and some towers(decorative).

Print setup:

• Printrbot Simple Metal
• Printrbot heated bed
• 0.06" PEI sheet double sided taped to heated bed
• aluminum patches in probe points to allow induction probe probe the bed
• fan shroud (uneven airflow, unfortunately)
• air provided via CPAP machine set at 4.0 mbar of mercury
• sliced using Simplyfy3D:
• • 25% infill
• • 0.1mm layer height
• • brim/skirt of 6 loops, 2 layers, attached to edge of print
• • 0.5mm nozzle with 0.6mm extrusion width
• • 195C hot end temp
• • 60mm/sec max speed setting
• • 90C heated bed temp ( 60-70C measured surface temp )
• Radio shack opaque "red"(read: orange) PLA filament.