X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;ds=sidebyside;f=screw-recess-test.scad;h=19c7c63c224f6b5b996f57b48bb6c71700278628;hb=3805e7750cbc5399073d4a532b723b9989f2b0d2;hp=9e3a333a68ee217132bfb1d9cb5d2f986e2131a1;hpb=749afaadf7c82b0ff8e8a9216ea1b196a925deca;p=reprap-play.git diff --git a/screw-recess-test.scad b/screw-recess-test.scad index 9e3a333..19c7c63 100644 --- a/screw-recess-test.scad +++ b/screw-recess-test.scad @@ -4,7 +4,19 @@ cubez = 12; shaftz = cubez; -tests = [[4 + 0.5, 10 + 1.0]]; +// shaftdia recessdia +tests = [[2 + 0.5, 6 + 1.0, 4, -4 ], + [3 + 0.5, 9 + 1.0, 0, 10 ], + [4 + 0.5, 10 + 1.0, 0, 25 ], + [5 + 0.5, 10 + 1.0, 17, 4 ], + [6 + 0.5, 12 + 1.0, 17, 20 ]]; + +last_test = tests[len(tests)-1]; + +blockminx = -5; +blockminy = -5; +blockmaxx = 25; +blockmaxy = 20; cubexy = 20; @@ -15,39 +27,50 @@ module RecessScrewCutout_RecessCylinder(recessdia,zbelow, h){ RecessedScrewCutout_defaultrecessdepth_flat = -0.35; RecessedScrewCutout_defaultrecessdepth_hex = -0.70; +function RecessedScrewCutout_recessdepth(recessdia, + recessdepth_arg=RecessedScrewCutout_defaultrecessdepth_flat) = + recessdepth_arg >= 0 ? recessdepth_arg : -recessdepth_arg * recessdia; + +function RecessedScrewCutout_totaldepth(recessdia, + recessdepth_arg=RecessedScrewCutout_defaultrecessdepth_flat) = + RecessedScrewCutout_recessdepth(recessdia, recessdepth_arg) + + + 0.5*recessdia + 0.1; + module RecessedScrewCutout(shaftdia, recessdia, shaftlen, - recessdepth_arg=RecessedScrewCutout_defaultrecessdepth_flat, - zbelow=1) { + zbelow=1, + recessdepth_arg=RecessedScrewCutout_defaultrecessdepth_flat) { // pass recessdepth_arg=-1 for the default for flat heads // pass recessdepth_arg=-1 for the default for flat heads - recessdepth = recessdepth_arg >= 0 ? recessdepth_arg - : -recessdepth_arg * recessdia; - recesstopz = recessdepth + 0.5*recessdia + 0.1; - xblocky = shaftdia + 0.1; + recessdepth = RecessedScrewCutout_recessdepth(recessdia, recessdepth_arg); + recesstopz = RecessedScrewCutout_totaldepth(recessdia, recessdepth_arg); translate([0,0,-zbelow]) cylinder(r=shaftdia/2, h=shaftlen+zbelow, $fn=20); RecessScrewCutout_RecessCylinder(recessdia,zbelow, recessdepth); intersection(){ - translate([-recessdia*1.5, -xblocky/2, -zbelow]) - cube([recessdia*3, xblocky, recesstopz+2+zbelow]); + cube([recessdia + 1, shaftdia + 0.1, recesstopz*2 + 1], center=true); translate([0, -recessdia, recesstopz]) rotate([0,135,0]) cube([recessdia, recessdia*2, 10]); RecessScrewCutout_RecessCylinder(recessdia,zbelow, recesstopz+1); } } -module Test(){ +module OneTest(t){ + blocksz = t[1] + 7; + h = RecessedScrewCutout_totaldepth(t[1]) + 3; difference(){ - translate([-cubexy/2, -cubexy/2, 0]) - cube([cubexy,cubexy,cubez]); + translate([-blocksz/2, -blocksz/2, 0]) + cube([blocksz, blocksz, h]); + RecessedScrewCutout(t[0],t[1], h+1); } } -module Hole(){ - RecessedScrewCutout(tests[0][0], - tests[0][1], - shaftz+1); +module Tests(){ + for (t = tests) + translate([t[2], t[3], 0]) + OneTest(t); } -//Test(); -Hole(); +//OneTest(tests[1]); +Tests(); +//Hole(); +//Holes();