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Brand: Yiqiu3D · Prints that change colour in the sun: the photochromic pigment shifts shade under UV light, so a single print transforms between blue and purple-red depending on sunlight, an eye-catching effect for gifts, toys and displays.
The filament contains UV-reactive pigments. Indoors or in shade the part shows one tone; under direct sunlight or UV light the pigment activates and the colour shifts, blue appears or purple-red deepens. The effect is reversible and repeats with every change of light.
Full answers belowBest for: Suits hobbyist projects, children's toys and decorative pieces that print cleanly straight off the plate - available in 3 colours; lead colour PLA Photochromic Red. Not ideal for: Not suited to structural brackets; switch to PLA+ or PETG when the part carries load - available in 3 colours; lead colour PLA Photochromic Red.
Nozzle 190-220°C
Two light-reactive SKUs, photochromic blue and photochromic purple-red, let you pair indoor and outdoor colour games in one product family.
Consistent 1.75mm diameter with laser-measured tolerance and clean winding, so the colour-changing layers stay crisp and the print surface stays smooth.
Straightforward PLA printing: low odour, forgiving first layers and no heated-chamber requirement make it easy on Creality, Prusa, Bambu Lab and Anycubic machines.
| Diameter | 1.75mm |
|---|---|
| Material | PLA |
Yiqiu3D Photochromic PLA Filament 1.75mm UV Color Changing Blue Purple Red prints best at 190-220°C nozzle.
| Nozzle Temp | 190-220°C |
|---|
Spool details for your feeding and handling setup.
| Gross Weight | 1.35 kg |
|---|---|
| Spool Size (L×W×H) | 21 × 21 × 7 cm |
| Pack Format | Piece |
| Spool Type | Round Spool |
| Country / Region | china |
|---|---|
| HS Code | 39169050 |
| Item No. | photochromic-pla-filament-uv-color-changing-blue-purple-red |
| Diameter | 1.75mm |
| Appearance | Round Spool |
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