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Type: Posts; User: Robert Hart

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    I have a lot of respect for your taking on a...

    I have a lot of respect for your taking on a computer program and 3D printer. I did have a try at TurboCAD 5 a long time ago but found I was quicker designing and drawing by hand and turning adaptors...
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    In an early post in this thread you mention...

    In an early post in this thread you mention grinding down a front element. I assume this was the upper and lower edges of the front element of the speedbooster group. Was this necessary to achieve...
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