# Hollow Face Lab Browser App

Source: https://mesmerprism.com/projects/hollow-face-lab/app/
Canonical HTML: https://mesmerprism.com/projects/hollow-face-lab/app/
Generated: 2026-06-19
Description: Browser-hosted Hollow Face Lab renderer with concavity, lighting, mesh, probe, texture, and response controls.
Markdown: https://mesmerprism.com/projects/hollow-face-lab/app/index.md
Plain text: https://mesmerprism.com/projects/hollow-face-lab/app/index.txt

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Fullscreen

 Stereo Pair

 Concave
 Matte
 1x
 Mesh
 Trials 0

## Stimulus

 Geometry

 Concave face
 Convex face

 Concavity

 1.20

 Texture

 Matte
 Procedural face
 Procedural noise
 Blend F
 Uploaded texture

 Texture F

 0.00

 Texture upload
 Drop image or choose file

 No uploaded texture

 Feature apertures

 None
 Eyes
 Eyes + mouth
 Eyes + mouth + nostrils

 Mesh resolution

 Native
 2x oversampled
 4x oversampled
 8x oversampled

 Surface mode

 Continuous mesh
 Triangle particles

 Triangle separation

 0.00

 Rotation

 0.18

 Probe marker

 Probe depth

 -0.012 m

## Lighting

 Preset

 Custom
 Baseline virtual
 High ambiguity
 Concavity revealing
 Realistic rough material
 Low-cue matte

 Key intensity

 1.80

 Key azimuth

 -20°

 Key elevation

 26°

 Fill ratio

 0.32

 Ambient

 2.40

 Reflectance

 0.00

## Runtime

 Enter VR

 Reset View

## Response

 Convex
 Concave
 Uncertain

 Near
 Far
 Same

 Confidence

 3

 Record Trial

 Download Session