PLA Filament Flashforge PTBL1 1.75 mm Transparent Blue 1 kg spool

PLA filament Flashforge PTBL1 1.75 mm Transparent Blue is a 1 kg spool of standard polylactic acid (PLA) designed for FDM 3D printers that accept 1.75 mm filament. The transparent blue material delivers good layer definition and a translucent finish suitable for visible prototypes and decorative parts. This PLA is formulated for straightforward extrusion, low shrinkage and compatibility with common printer setups using standard PLA temperature ranges.

Advantages

The filament offers consistent diameter and smooth winding on a 1 kg spool to support reliable feeding. Its PLA composition enables easy printing at moderate nozzle temperatures, minimal warping and limited need for specialized heated beds or enclosures. The transparent blue color provides a visually distinctive, semi-translucent appearance while maintaining dimensional stability for functional models and display items.

Suitable for

• Visual prototypes and concept models where translucency is desired
• Decorative parts, lampshades and signage elements
• Educational projects and classroom 3D printing
• Low-stress functional parts and assembly tests

Key specifications

• Material: Polylactic Acid (PLA)
• Diameter: 1.75 mm nominal
• Spool weight: 1 kg net filament
• Color: Transparent blue (translucent finish)
• Recommended nozzle temperature: typical PLA range (consult printer settings)
• Compatibility: FDM/FFM printers accepting 1.75 mm filament

How to use

Load the 1.75 mm filament into the printer according to the manufacturer’s filament loading procedure. Set the nozzle temperature within a standard PLA range (commonly around 190–220 °C) and select a print bed temperature if required by your printer (many prints succeed on an unheated bed with a suitable adhesion surface). Use a 0.4 mm nozzle or appropriate size for your layer height, configure retraction and cooling settings for PLA, and run a short calibration print to verify extrusion and adhesion before starting larger prints.

Recommendations

Store the filament in a dry environment or sealed container with desiccant to prevent moisture absorption, which can affect print quality. For best surface finish on transparent prints, use slower print speeds, increased cooling for fine details, and post-processing such as sanding or polishing if a clearer translucency is required.