From: Snag_one@msn.com   
      
   On 2/8/2025 12:06 AM, Richard Smith wrote:   
   > Hi all   
   >   
   > Working with   
   > Rectangular Hollow Sections   
   > Square Hollow Sections   
   > box sections   
   > ...   
   >   
   > The rounded corners make using an adjustable square / sliding square   
   > problematic.   
   >   
   > Given number of machine parts I have to make quite accurately based on   
   > SHS's, thinking of a tool specially optimised for marking distances   
   > from the surfaces.   
   > ie. whatever presents as "top", slide along marking down the "sides".   
   > Typically the middle of the "sides".   
   >   
   > Accuracy - well using a chalk / soapstone is plenty good enough.   
   > Have to bring magnetic-base drill to the job most of the time, and   
   > with using a shell-cutter / trepanning cutter with a central "pin" to   
   > locate on the centre-pop - accuracy there is less than chalking gives.   
   > So - would hold thing in place and chalk-mark.   
   >   
   > I could trim offcuts of angle-iron to make single-dimension tools -   
   > eg. marks 25mm from "top" surface.   
   > Advantage with this or "settable" tool is spin around 180deg and mark   
   > the other "side" and the two heights/levels should match-up.   
   >   
   > Hope described this well enough.   
   >   
   > Best wishes   
   >   
      
      I've seen combination squares with a wide flange on the head that   
   will do what you want . Here's a link to one on Amazon , kinda pricey   
   but you might be able to find one cheaper .   
      
   https://primeweld.com/products/lagesse-products-lasquare-12-comb   
   nation-square-stainless-steel-blade-aluminum-square-head   
   --   
   Snag   
   We live in a time where intelligent people   
   are being silenced so that   
   stupid people won't be offended.   
      
   --- SoupGate-Win32 v1.05   
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