Star Trek Chess Board

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Star Trek Chess Board

Postby dealguy11 » Tue Dec 17, 2013 1:54 am

We were commissioned to do this piece by a die-hard trekkie. This was my first attempt at cutting and etching acrylic and I'm pretty happy with how it came out. The etching was done with a diamond drag bit, game boards were cut out and holes made with straight o-flute bits, and edges were polished the hard way, by hand with sandpaper (I don't have a buffer).
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Steve Godding
D&S Artistic Woodworking http://www.dsartisticwood.com
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Re: Star Trek Chess Board

Postby glenninvb » Tue Dec 17, 2013 3:26 am

Dealguy,

Nice job, no idea how to play and don't want to know :?

To deal with edges

Clean up saw cuts on acrylic with light passes on router table or jointer (just a few thou. at a time) (or you could use cnc like you did), wipe edge clean and fan edge with a hand held map torch.
It takes a little practice, but edges become clear and polished. No sanding needed.

I route the edges with paper on, then remove paper on side I'm engraving and engrave, then remove bottom paper, rinse under running water to clean, then torch edge to polish
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Re: Star Trek Chess Board

Postby dealguy11 » Tue Dec 17, 2013 4:22 am

I'd heard about the torch method, but only had a little bit of acrylic for this project and didn't want to risk ruining the work. There are a few scraps left over so I'll try it on those. Thanks!
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Re: Star Trek Chess Board

Postby Murphs » Tue Dec 17, 2013 2:21 pm

Hi Steve,

Love the board. :D

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Re: Star Trek Chess Board

Postby bill_w » Wed Dec 18, 2013 12:33 am

Very nice, well done.
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Re: Star Trek Chess Board

Postby zeeway » Wed Dec 18, 2013 12:40 am

Trekkies rule.

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Re: Star Trek Chess Board

Postby rgreen105 » Tue Jan 07, 2014 11:51 pm

I'm about to try my first acrylic cuts, what size bit and what bit and travel speed did you use to cut out the shapes?
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Re: Star Trek Chess Board

Postby ssflyer » Wed Jan 08, 2014 12:48 am

That's pretty cool - always wanted to give it a try, but the rules seem to change... Here's a link to supposedly the latest iteration. :D
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Re: Star Trek Chess Board

Postby dealguy11 » Wed Jan 08, 2014 4:20 am

I used both 1/4" and 1/8" straight O-flute bits. The screw holes were done with the 1/8" bit and the cutouts with the 1/4" bit. The rpms were fairly low - around 6000 or so. The feed rates were about 100 ipm, but, as always, the speed is going to depend on your machine's abilities.
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