Solitaire ring · 4K stars

How this film was made

Piece

Model	solitaire+ring.3dm · 42 parts · 41 stones
Metal	Platinum (polished)
Centre stone	Yellow stone · IOR 2.417
Side stones	White diamonds (pavé)

Look

Lighting profile	Akira Brilliant (AKIRA studio light, HDR)
Light through stones	World strength 1.0 → 1.3 for rays that passed through a stone
Fire (dispersion)	3 glass layers red / green / blue, IOR spread 0.016
Background	Studio grey

Render

Engine	Blender 5.2 · Cycles path tracing
Device	NVIDIA RTX 5060 Ti · OptiX
Quality preset	max
Samples	2048 per pixel (adaptive, noise threshold 0.002, at least 128)
Light bounces	64 total · 48 transmission · 24 glossy · 4 diffuse
Caustics	Reflective and refractive on
Denoiser	OptiX
Colour	Standard view transform

Film

Resolution	2160 × 3840 (4K, 9:16)
Length	10 s · 240 frames · 24 frames per second
Motion	One full 360° turn around the vertical axis, seamless loop
Encoding	H.264 MP4 · near-lossless (constant rate factor: perceptually lossless) · 21 MB

Stars

Method	Added after rendering (no re-render): the strongest highlights get a star
Shape	Bright core · 4 long thin rays · 4 short diagonal rays
Stars per frame	Up to 8 (most frames 3–5)
Ray length	300 px
Highlight threshold	0.93 brightness
Twinkle	Each star fades in and out over 34–56 frames

Made with

Software	AKIRA 3D Jewelry Studio · OGI Systems
Date	2026-10-13 (render) · 2026-10-14 (stars)

Solitaire ring · 4K stars