Interactive 3D tool

Film Loading Simulator

Load film onto a reel inside a changing bag, step by step, in 3D.

Step 1 / 5 Film 35mm

Drag to orbit · scroll to zoom

A changing bag, developing tank, reel and film strip

This device cannot render WebGL, so the interactive 3D scene is unavailable. Use the step list on the right to walk the same procedure.

Educational simulationThis is a teaching simulation of the loading sequence. It does not model the feel of a real reel. Practise with a sacrificial roll before you load film you care about, and never open a loaded tank in the light.

Why it matters

Loading is the only step that must happen in complete darkness, and it is where most rolls are ruined. Fifteen minutes of practice with a sacrificial roll will save more film than anything else you do.

Practice routine

Load an expired roll onto the reel ten times with the lights on, ten times with your eyes closed, and ten times inside the bag. That is twenty minutes and it turns the hardest step into a reflex.

Keep going

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