Thanks for the kind words. I am far from being on the same level as JE. May take a while... The print was only to test certain concepts. I am still tweaking the design.
Below is a few snap-shots of the latest version.
The wall is now up to 0.2" thick.
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Cut-away view showing the internal fins. Note that the driver mount plate is remove-able. This is to accommodate different driver styles. (Also, easier for 3D printing purposes.)
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never ceases to amaze