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Link source: https://knoba.wordpress.com/2015/07/...-centre-punch/
CAD file: https://www.dropbox.com/s/2qhmuuqipj...02015.dxf?dl=0
Thanks Ken!
Link source: https://knoba.wordpress.com/2015/07/...-centre-punch/
CAD file: https://www.dropbox.com/s/2qhmuuqipj...02015.dxf?dl=0
Thanks Ken!
gunsgt1863 (Oct 30, 2017), high-side (Jun 11, 2020), HobieDave (Mar 28, 2020), janders1957 (Jul 28, 2018), jere (Aug 12, 2015), johncg (Nov 25, 2022), Jon (Aug 11, 2015), kbalch (Aug 10, 2015), mwmkravchenko (Jun 10, 2020), oldcaptainrusty (Oct 29, 2017), olderdan (Oct 29, 2017), Paul Jones (Aug 8, 2015), PJs (Aug 11, 2015), tonyfoale (Oct 29, 2017), will52100 (Jun 9, 2020), zarembak (Jul 26, 2018)
Nice tool, knoba!
Altair (Aug 8, 2015), knoba (Aug 8, 2015), mwmkravchenko (Jun 10, 2020)
Thanks DIYer!
Pretty thing to look at and look into. Great idea on the crosshairs. Spot on!
Al
PJs (Aug 11, 2015)
wow thats a nice punch eyeglass as good as mine. :O)
Thanks guys'!
Mornin' Cap!
There's nothing shoddy about your punch, mine just looks fancy in a round tobacco tin...
PJs (Aug 11, 2015)
i'm gonna get a tin toooo...:O)
PJs (Aug 12, 2015)
Thanks knoba! I've added your Optical Center Punch to our Measuring and Marking category, as well as to your builder page: knoba's Homemade Tools. Your receipt:
Knoba, Like I said I just love this thing and will be making one soon but realized you had a 17.8885mm spherical radius for your optics...how on earth did you determine that let a lone make it? I'll have to hunt for a tin though!
A really good and unexpensive idea !
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