Lumen Tool
ToolPricingBlogHelpContactLogin
Knowledge base
Getting started
  • What Lumen Tool is for
  • Desktop, tablet and phone
Subscription & account
  • Subscription, payments and cancelling
  • Your account and signing in
Lighting controls
  • The lighting workspace
  • Light controls
  • Lighting presets
  • Skin tone, surface and backdrop
Photo Lighting
  • Photo Lighting overview
  • Photo Tools
  • 3D, Diagram and Setup views
  • Analysis panel
Artist Lighting
  • Artist Lighting overview
  • Value, form and drawing tools
Reference Lab
  • What the Reference Lab is for
  • Choosing a picture
  • Reading the result
  • Open the result in Photo Lighting
The Archive
  • Saving, sharing and opening work
  • Finding and organizing saved work
  • Backup and restore
Color Lab
  • What Color Lab is
  • Lights and colors
  • Placing lights
  • Looks, saving and export
Hand Reference
  • What Hand Reference is
  • Poses and hand controls
  • Camera and perspective
  • Lighting and display
  • Saving and shortcuts
Help/Hand Reference

Hand Reference

  • What Hand Reference is

    Studio 07 is a posable 3D hand and forearm reference for studying gesture, perspective, light and form.

    →
  • Poses and hand controls

    Choose a hand pose, switch sides and refine fingers, thumb, wrist, forearm and whole-arm orientation.

    →
  • Camera and perspective

    Orbit around the hand, pan, zoom, use fixed viewpoints and control field of view for foreshortening.

    →
  • Lighting and display

    Use window light, study-light presets, fill and rim light, backgrounds and surface modes to study hand form.

    →
  • Saving and shortcuts

    Save a Hand Reference study to the Archive, understand browser memory and use the studio's keyboard shortcuts.

    →
Lumen Tool

A browser-based portrait lighting simulator. Explore, Shape and Understand Light.

franck@lumentool.com

Product

ToolChangelogAbout the site

Resources

BlogHelp centerAbout MeContact

Legal

TermsPrivacy & cookiesDisclaimerData processing
© 2026 Lumen ToolOperated by Tec-Net