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BarTech Focus Rings


SergeiFranklin

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I have had a Bartech for over 10 years and tried many focus rings.

Last year I came across a design from Markus Bernhardt, www.baer-bel.de that I liked but he didn't want to make anymore.

I recently discovered www.shapeways.com , a 3-D printing service.

I designed rings based on Markus Bernhardt's design with Google SketchUp, converted it in Meshlab and then opened it in Netfabb to finalize size and output a .stl file to upload.

These are all free software that can be downloaded.

sketchup.google.com

meshlab.sourceforge.net

www.netfabb.com

Mine is here http://www.shapeways.com/model/218566/focusring.html?gid=mg

This is for the early Bartech that had a slightly different knob diameter

I have 20 rings and there are small variations as some are tighter but all fit.

I recommend you order one (wether my design or yours) to test before you order a large number. I am not selling them(I'm not adding a markup), you are ordering from Shapeways.

The price with customs is about $20 a ring.

If someone designs one for the new diameter or a different design please post it.

You should be able to download the design. If it's not working I can send you my file.

"Opensource Focus rings"

 

Sergei Franklin

www.sergeifranklin.com

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