X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=reprap-play.git;a=blobdiff_plain;f=ksafe-base.scad;h=2866278a2a7e9021af044eec63bed9f59f22c7ed;hp=2ef442b0c7c789d36b851555ead35e437c5073b8;hb=37e6240dbeb35539d789f702ebb41d2cae072a6d;hpb=3581deec0a4c569e052190dcbadc95297b0130fe diff --git a/ksafe-base.scad b/ksafe-base.scad index 2ef442b..2866278 100644 --- a/ksafe-base.scad +++ b/ksafe-base.scad @@ -1,13 +1,13 @@ // -*- C -*- -// xxx from actual ksafe -bolt_above = 4; -wall_thick = 4; -bolthole_height = 4; -bolthole_width = 10; -main_sz = 300; -cnr_rad = 10; -lidinner_thick_allow = 20; +// xxx from actual ksafe, needs slop adding +bolt_above = 14.30; +bolthole_height = 4.24; +wall_thick = 4.50; +bolthole_width = 16.62; +main_sz = 150.56; +cnr_rad = 13.5; // approx +lidinner_thick_allow = 20.78; // other parameters web_thick = 4; @@ -15,12 +15,12 @@ web_height = 20; // excluding wall and base thick bolthole_rhs = 20; bolthole_lhs = 20; boltreinf_thick = 6; -anchor_wall_space = 45; +anchor_wall_space = 25; base_thick = 4; space = 25; anchor_thick = 4; anchor_rad = 4; -bevel = 5; +bevel = 8; // ----- calculated ----- @@ -31,6 +31,18 @@ gppB = gppA - [ wall_thick, 0 ]; gppL = [ gppB[0], -(lidinner_thick_allow + space + base_thick) ]; +yw1 = -web_thick/2; +yw2 = yw1 - bolthole_rhs; +yw3 = yw2 - anchor_thick; +yw4 = yw3 - anchor_wall_space; +yw5 = yw4 - wall_thick; +yw6 = -(hsz - cnr_rad + 0.1); + +yw10 = web_thick/2; +yw11 = yw2 + anchor_wall_space; +yw12 = yw11 + wall_thick; +yw13 = -yw6; + // anchor anchor_b = anchor_thick + anchor_rad; @@ -139,9 +151,34 @@ module WebProfile(){ } } +module SomeBaseProfile(I, F){ + polygon([ I, + F, + [ hsz+1, F[1] ], + [ hsz+1, I[1] ] ]); +} + +module BaseProfile(){ + SomeBaseProfile($xppI, $xppF); +} + +module SWalls(ymin, ymax, t_bevel) { + upp_app_Vars(t_bevel) { + translate([0,ymin,0]) + mirror([0,1,0]) + rotate([90,0,0]) + linear_extrude(height= ymax-ymin, convexity=10) + for (xm=[0,1]) + mirror([xm,0]) + translate([-hsz, 0]) + children(); + } +} + module KsafeBase(){ + /// corners for (xm=[0,1]) for (ym=[0,1]) { - mirror([xm,0]) mirror([0,ym]) + mirror([xm,0,0]) mirror([0,ym,0]) translate((hsz - cnr_rad) * [1,1]) intersection(){ rotate_extrude(convexity=10) @@ -151,6 +188,14 @@ module KsafeBase(){ cube([50,50,500]); } } + + // side walls and base + SWalls(yw6 , yw4 , bevel ) { UsualProfile(); BaseProfile(); } + SWalls(yw5 , yw4 , a_bevel) { AnchorWallProfile(); BaseProfile(); } + SWalls(yw5 , yw12, a_bevel) { NearAnchorProfile(); BaseProfile(); } + SWalls(yw3 , yw2 , a_bevel) { AnchorProfile(); BaseProfile(); } + SWalls(yw11, yw12, a_bevel) { AnchorWallProfile(); BaseProfile(); } + SWalls(yw11, yw13, bevel ) { UsualProfile(); BaseProfile(); } } module DemoProfiles(){