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How can I smooth the trackball plexiglass hole? (ouch! it's sharp)

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ThePaul:

Sofa,

My TB mounting kit came with a spacer. I did not use it.

The lip and the Lexan were exactly the same height/thickness. So once I cut the hole in Lexan (using TB hole - 3" as a guide) the lip itself fit up into the Lexan.

See

There is no gap at all between Lexan and trackball lip, well maybe a microscopic one, but nothing that you can feel.

Also it seems that if you don't use the spacer your TB will be sitting higher.. which IMO is nice.

foomench:

As for grit, I think the original thread said to start with something rougher (not rough, however, by sandpaper standards), maybe 200, and finish with really fine, like 400.

For polishing, I found my Home Depot had a Dremel kit for about $12 that included the polishing compound, numerous cloth attachments, and some other cleaning attachments. I bought this, but haven't used it yet.

-foomench


Witchboard:


--- Quote from: sofakng on August 10, 2004, 02:56:47 pm ---I'm posting from work... I can't post any pictures but I haven't beveled anything yet.

When I cut the hole in my plexiglass I cut it exactly 3".  So, if everything works OK then when I remove the spacer the trackball will be raised and fit through my plexiglass hole.

I will be THRILLED if this works....

:)

--- End quote ---

Oh.. I thought you had already bevelled your edge.  Plan to be thrilled then.  ;D

sofakng:

It worked PERFECTLY!!!

Ok, maybe not perfectly, but pretty darn close.  The trackball lip fit perfect into my plexiglass hole making it *nearly* flush.  It's still a tiny (very tiny) bit below the plexiglass but it's 10x better than the way it was.

I also sanded the plexiglass trackball hole.  I only did the flat part, not the edges.  I know I probably didn't need to do this but I figured what the heck.

I'm very very happy with the way it worked out.

Thanks for all the help!

KrawDaddy:

BTW you should always finish your lexan with 2000 grit wet sanding!  Try it

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