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Private member DiscussionTools and Jigs

Measured drawing and assembly for Proper Variable Radius Sanding Jig

Doug Proper designed a sanding jig that supports variable concave and convex curves, described in the following Loothgroup article: https://loothgroup.com/post-imgcap/the-variable-radius-sander/ I built one and am impressed with how it facilitates preparing bridges, braces and also allows tracing any radius using the chord formula. I made a rough measured drawing and assembly guide to share, with Doug's blessing. First step, ma…

jigSanding jigtoolsVariable radiusweeklyyes
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Ian Davlin
Thank you John !
Private member DiscussionCAD/CAM

Radius dish

Hi guys. I have a cnc machine but don’t know how to draw stuff. Can anyone share a file for a 15 and 30 foot radius dish please?

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What CAD CAM software are you using? I use Aspire and could provide a 15 and 28 foot radius file in that. Here they are as STL files
Private member DiscussionTools and Jigs

Birkonium Fret Press Cauls

Just got these and they are really neat. If you like to press frets and do compound or imperfect radius fretboards, these are the ticket.

fretfret press
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I designed that caul set and had Andy make a few sets for our shop and for students of our fretting classes. After being frustrated with the gaps between “standard spec” cauls vs real world variations…