Animated Hourglass

  • January 28, 2014
  • Blender 2.6x
  • Render: Blender Internal
  • Creator: yogyog
  • License: CC-BY
You must be logged in to download.


Smoothly animating hourglass.

This uses bolian operations for the bulk of the sand rendered as volumteric textures, plus a particle system for the falling sand. It renders very fast. Texture from


  • oldtimer profile picture

    Good job, yogyog

    Edited January 28, 2014
  • FayZee profile picture

    This seems like a great achievement. The granules are realistic.

    The thing I notice is that in real life the level of the granules in the upper chamber is not completely flat: the granules fall from the centre of the mass in the upper chamber, leaving a pit or dip and that the pit grows as more sand vacates, so the level of granules against the glass is higher than in the middle.

    Watch near the end to see what I mean about the dip.

    Edited January 29, 2014