X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=reprap-play.git;a=blobdiff_plain;f=sewing-table.scad.m4;h=80d86c84e3dc2d2c09aec5b2201c1b1c0c354642;hp=173391464896fe789a76de967c1af494f75a97d7;hb=9ffd4381b8d5ce1b473fd5e6078d654c609d6111;hpb=3316c5062dfe08bf4d5d68a0c5be2d792c663f51 diff --git a/sewing-table.scad.m4 b/sewing-table.scad.m4 index 1733914..80d86c8 100644 --- a/sewing-table.scad.m4 +++ b/sewing-table.scad.m4 @@ -80,17 +80,15 @@ cutout_tile01_y = 170 - 147 + cutout_l_end_y_front_slop; cutout_tile11_x = cutout_l_end_x + cutout_l_end_curve; cutout_tile11_y = cutout_l_end_y_total - cutout_tile01_y; -// rear curve +// front and rear curves rearedge_len = 170; -rearcurve_rad = 25.4; -rearcurve_strt_len = 65; -rearcurve_total_len = 84; +rearcurve_strt_len = 52; -rearcurve_rad_slop = 0.75; +rearcurve_z_slop = 0.75; -rearcurve_avoid_y = rearcurve_rad + 10; +rearcurve_avoid_y = 35; rearcurve_double_inrad = 26.10 + 8.04; @@ -98,6 +96,10 @@ reartablet_z = 2.54; reartablet_x = 5 + 1; reartablet_y = 5; +frontcurve_side_skew = 3.5 / 72; +frontcurve_avoid_y = 70; +frontcurve_z_slop = 0.75; + // calculated TEST = false; @@ -126,6 +128,11 @@ interlock_negative_rad = interlock_rad + 0.125; interlock_sq_adj = 0.2; // arbitrary +first_front = machine_front_profile[len(machine_front_profile)-1]; + +m4_define(`POST_TCROSSSZ', + `2*( tile_hard_edge_hole_dist - test_edge + 1 )') + module Post(){ mirror([0,0,1]) { difference(){ @@ -136,10 +143,9 @@ module Post(){ } } if (TEST) { - tsz = tile_hard_edge_hole_dist - test_edge + 1; translate([0,0, tile_th/2]) { - cube([post_dia, tsz*2, tile_th], center=true); - cube([tsz*2, post_dia, tile_th], center=true); + cube([post_dia, POST_TCROSSSZ, tile_th], center=true); + cube([POST_TCROSSSZ, post_dia, tile_th], center=true); } } } @@ -168,8 +174,11 @@ module TileBase(botleft, topright){ + [0, thehd[1]]); } if (TEST) { - translate( concat(botleft + [thehd[0], 0], [0]) ) - Commitid_BestCount([ size[0] - thehd[0]*2, thehd[1] ]); + crossoff = tile_hard_edge_hole_dist + POST_TCROSSSZ/2; + cidsz = [ size[0] - 2*crossoff, thehd[1] ]; + translate( concat(botleft + [crossoff, 0] + cidsz, [0]) ) + rotate([0,0,180]) + Commitid_BestCount(cidsz); difference(){ mirror([0,0,1]) { translate(concat(botleft + [test_edge,test_edge], [test_tile_th])) @@ -389,7 +398,6 @@ module Machine_Arm(){ module Machine_Profile(){ first_rear = machine_rear_profile[0]; - first_front = machine_front_profile[len(machine_front_profile)-1]; below_point = 0.5 * ( first_rear + first_front ) + [ 0, -10 ]; pol = concat( machine_rear_profile, [ below_point ], @@ -419,9 +427,16 @@ module Machine_RearProfile(){ } } -module Machine_Rear(){ ////toplevel - big_rad = rearcurve_total_len - rearcurve_strt_len + rearcurve_rad; - small_rad = rearcurve_rad + rearcurve_rad_slop; +module Machine_FrontProfile(){ + intersection(){ + Machine_Profile(); + translate([ machine_rear_to_front/2, -100 ]) { + square([200,200]); + } + } +} + +module Machine_Curves(){ ////toplevel translate([ tile01_tr[0] - cutout_l_end_x + rearedge_len, cutout_tile11_y, 0 ]){ @@ -436,10 +451,22 @@ module Machine_Rear(){ ////toplevel } translate([ tile01_tr[0] - cutout_l_end_x + rearedge_len, cutout_tile11_y, - 0 ]){ + frontcurve_z_slop ]){ + translate([ 0, -first_front[0] , 0 ]) + multmatrix([[1, -frontcurve_side_skew, 0, 0], + [0, 1, 0, 0], + [0, 0, 1, 0], + [0, 0, 0, 1]]) + translate([ 0, first_front[0] , 0 ]) + mirror([1,0,0]){ + rotate([0,-90,0])rotate([0,0,-90]){ + linear_extrude(height= 200) + Machine_FrontProfile(); + } + } translate([ rearcurve_strt_len, 0, - 0 ]){ + rearcurve_z_slop ]){ translate([ 1, 0, 0 @@ -471,7 +498,7 @@ module Machine_Rear(){ ////toplevel module Machine(){ ////toplevel Machine_Arm(); - Machine_Rear(); + Machine_Curves(); } function Rectangle_corners(c0, sz) = @@ -541,10 +568,11 @@ module Tile12(){ ////toplevel tile_01_11_cnr = tile01_tr + [-cutout_tile11_x, 0]; tile_11_10_cnr = tile01_tr + [0, cutout_tile11_y]; +tile_01_00_cnr = tile01_tr - [0, cutout_tile01_y]; module Tile11(){ ////toplevel sz = [250,250]; - c0 = tile02_tr + [0,0]; + c0 = tile01_tr + [-sz[0],0]; c = Rectangle_corners(c0, sz); cnr_posts = Rectangle_corners2posts(c); posts = concat( @@ -567,11 +595,9 @@ module Tile11(){ ////toplevel } } -tile_01_00_cnr = tile01_tr + [0, -cutout_tile01_y]; - module Tile01(){ ////toplevel sz = [250,170]; - c0 = tile02_tr + [0,-sz[1]]; + c0 = tile01_tr + -sz; c = Rectangle_corners(c0, sz); cnr_posts = Rectangle_corners2posts(c); posts = concat( @@ -595,13 +621,13 @@ module Tile01(){ ////toplevel module Tile10(){ ////toplevel sz = [250,250]; - c0 = tile02_tr + [sz[0],0]; + c0 = tile01_tr + [0,0]; c = Rectangle_corners(c0, sz); cnr_posts = Rectangle_corners2posts(c); cty = cutout_tile11_y; rcy = cty + rearcurve_avoid_y; posts = [ cnr_posts[0] + [ 0, cty ], - cnr_posts[1] + [ -sz[1] + rearedge_len - cutout_l_end_x, cty ], + cnr_posts[1] + [ -sz[0] + rearedge_len - cutout_l_end_x, cty ], cnr_posts[1] + [ 0, rcy ], cnr_posts[2], cnr_posts[3] ]; @@ -620,12 +646,41 @@ module Tile10(){ ////toplevel RoundCornerAdd(rcs); } +module Tile00(){ ////toplevel + sz = [250,170]; + c0 = tile01_tr + [0,-sz[1]]; + c = Rectangle_corners(c0, sz); + cnr_posts = Rectangle_corners2posts(c); + cty = cutout_tile01_y; + rcy = cty + frontcurve_avoid_y; + posts = [ cnr_posts[0], + cnr_posts[1], + cnr_posts[2] + [ 0, -rcy ], + cnr_posts[2] + [ -sz[0] + rearedge_len - cutout_l_end_x, -cty ], + cnr_posts[3] + [ 0, -cty ] + ]; + rcs = [R_EDGE(c,1)]; + difference(){ + union(){ + Rectangle_TileBase(c); + Posts(posts); + RoundEdge(R_EDGE(c,0)); + RoundEdge(R_EDGE(c,1)); + InterlockEdge(tile_01_00_cnr, c[0]); + } + RoundCornerCut(rcs); + Machine(); + } + RoundCornerAdd(rcs); +} + module Demo(){ ////toplevel translate(demo_slop*[-2,1]) color("blue") Tile12(); translate(demo_slop*[-2,0]) color("red") Tile02(); translate(demo_slop*[-2,1]) color("orange") Tile11(); translate(demo_slop*[-2,0]) color("purple") Tile01(); translate(demo_slop*[-3,1]) color("blue") Tile10(); + translate(demo_slop*[-3,0]) color("red") Tile00(); %Machine(); }