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I've been kicking around the exact same idea for a while, I've finally reached the point where I'm actively looking at the rail & linear bearing sets used in CNC machine.

I've got a 12" square piece of cast (not extruded) acrylic acetate that I believe is 3/8" thick, and it seems sturdy enough for the job - it feels as stiff as the phenolic plate in my router table (which is this one from Rockler here in USA.)

That's where I'm starting - if it turns out to be inadequate and I can't get reasonably clean cuts, that's the cheapest part of the entire set-up to change out and I'll treat it as a prototype.

(Oh - I chose 12" square clear because I wanted visibility as to what's going on at the cutter. I felt the table insert plate would not offer the same view from all around.)

Have fun!

<blockquote data-quote="DuncSuss" data-source="post: 372798" data-attributes="member: 2682">I&#039;ve been kicking around the exact same idea for a while, I&#039;ve finally reached the point where I&#039;m actively looking at the rail &amp; linear bearing sets used in CNC machine.I&#039;ve got a 12&quot; square piece of cast (not extruded) acrylic acetate that I believe is 3/8&quot; thick, and it seems sturdy enough for the job - it feels as stiff as the phenolic plate in my router table (which is <a href="https://www.rockler.com/rockler-phenolic-router-plates" target="_blank">this one from Rockler</a> here in USA.)That&#039;s where I&#039;m starting - if it turns out to be inadequate and I can&#039;t get reasonably clean cuts, that&#039;s the cheapest part of the entire set-up to change out and I&#039;ll treat it as a prototype.(Oh - I chose 12&quot; square clear because I wanted visibility as to what&#039;s going on at the cutter. I felt the table insert plate would not offer the same view from all around.)Have fun!</blockquote>

[QUOTE="DuncSuss, post: 372798, member: 2682"] I've been kicking around the exact same idea for a while, I've finally reached the point where I'm actively looking at the rail & linear bearing sets used in CNC machine. I've got a 12" square piece of cast (not extruded) acrylic acetate that I believe is 3/8" thick, and it seems sturdy enough for the job - it feels as stiff as the phenolic plate in my router table (which is [URL='https://www.rockler.com/rockler-phenolic-router-plates']this one from Rockler[/URL] here in USA.) That's where I'm starting - if it turns out to be inadequate and I can't get reasonably clean cuts, that's the cheapest part of the entire set-up to change out and I'll treat it as a prototype. (Oh - I chose 12" square clear because I wanted visibility as to what's going on at the cutter. I felt the table insert plate would not offer the same view from all around.) Have fun! [/QUOTE]

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