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V_wall(h=4, l=height-rail_clearance*2-thickness); // top horizontal rib // h_wall(h=4, l=right_rib_x); } module knurled_cyl(chg, cod, cwd, csh, cdp, fsh, smt crn=ceil(chg/csh); echo("knurled cylinder max diameter: ", 2*cird); if( fsh < 0 shape(fsh, cird+cdp*smt/100, cord, cfn*4, chg); module shape(hsh, ird, ord, fn4, hg y0=-0.1; y1=0; y2=abs(hsh); y3=hg-abs(hsh); y4=hg; y5=hg+0.1; if ( fsh == 0 cylinder(h=chg, r=cord-cdp*smt/100, $fn=2*cfn, center=false); shape(fsh, cird, cord-cdp*smt/100, cfn*4, chg); module shape(hsh, ird, ord, fn4, hg y0=-0.1; y1=0; y2=abs(hsh); y3=hg-abs(hsh); y4=hg; y5=hg+0.1; if ( fsh == 0 cylinder(h=chg, r=cord-cdp*smt/100, $fn=2*cfn, center=false); shape(fsh, cird, cord-cdp*smt/100, cfn*4, chg); module shape(hsh, ird, ord, fn4, hg) { x0= 0; x1 = hsh > 0 ? Ord : ird; y0=-0.1; y1=0; y2=abs(hsh); y3=hg-abs(hsh); y4=hg; y5=hg+0.1; if ( hsh >= 0 ) { rotate_extrude(convexity=10, $fn=fn4) polygon(points=[ [x0,y1],[x1,y1],[x2,y2],[x2,y3],[x1,y4],[x0,y4] ], paths=[ [0,1,2,3,4,5,6,7] ]); } } if(ADD_IDS){ $article['content'] .= "

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"; //also append the blarg post because that's small, interesting, //also append the blarg post because that's small, interesting, //and sometimes necessary for old fogeys like me to get proper hole sizes threeUHeight = 133.35; // overall 3u height panelInnerHeight = 110; // rail clearance issues, add PCB slot, more options for potentiometer spoke placement STLs, 10hp version, others schematics ...on of a Larger Work You may add additional accurate notices of copyright owner] Licensed under the terms.

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