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Old 29th September 2012
  #27
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Thanks Tim for giving this
Today I made a metric diffuser for testing and practising. Found some slats with good dimensions what gives a minimum on sawing.
Basis was a slat of 56mm( 7 x 8mm) and 12 mm height. In the DIY store they saw a MDF bottom 61cm by 38cm(7 x 56mm) and another MDF plate 61 by 28cm( 5 x 56mm) for free.
For the fractals I found a slat 25mm(5 x 5) by 40mm( 5x8mm), so very practical.
The 'difficult' part was to mill manual the 3 and 4 units height in the fractal slat. Need some more practising to get a good result but the photos shows the 'protoype'.

The sound diffuser works great especially when you put the fractals on it.
Attached Thumbnails
DIY Sound Diffusers—Free Blueprints—Slim, Optimized DIY Diffuser Designs (+Fractals)-diy-blueprint-arqen1.jpg   DIY Sound Diffusers—Free Blueprints—Slim, Optimized DIY Diffuser Designs (+Fractals)-diy-blueprint-arqen2.jpg