reartablet_z = 2.54;
reartablet_x = 5 + 1;
-reartablet_y = 5;
+reartablet_y = 8;
frontcurve_side_skew = 3.5 / 72;
frontcurve_avoid_y = 70;
frontcurve_z_slop = 0.75;
+frontcurve_strt_len = 60;
+frontcurve_dualcurve_angle = 90 - 65;
+
// calculated
TEST = false;
thehd_bl = -thehd_tr;
thehd_br = -thehd_tl;
+tablet_z_slop = rearcurve_z_slop;
+
interlock_rad = interlock_dia/2;
interlock_negative_rad = interlock_rad + 0.125;
translate(concat(botleft, [0]))
cube(concat(size, [tile_th]));
if (!TEST) {
+ cidsz = topright_post-botleft_post
+ + [-post_dia,-post_dia]
+ + [0, thehd[1]];
+ cidszr = [ min(cidsz[0],50), min(cidsz[1],50) ];
+ echo("CID",cidsz,cidszr);
translate( concat(botleft_post, [ -tile_th ])
- + 0.5 * [ post_dia, post_dia, 0 ] )
- Commitid_BestCount_M( topright_post-botleft_post
- + [-post_dia,-post_dia]
- + [0, thehd[1]]);
+ + 0.5 * [ post_dia, post_dia, 0 ]
+ + 0.5 * concat( cidsz - cidszr, [ 0 ]) )
+ Commitid_BestCount_M(cidszr);
}
if (TEST) {
crossoff = tile_hard_edge_hole_dist + POST_TCROSSSZ/2;
- translate( concat(botleft + [crossoff, 0], [0]) )
- Commitid_BestCount([ size[0] - 2*crossoff, thehd[1] ]);
+ cidsz = [ thehd[0], size[1] - 2*crossoff ];
+ cidszr = [ cidsz[0], min(cidsz[1], 50) ];
+ translate( concat(botleft + [0, crossoff] + (cidsz-cidszr)/2, [0]) )
+ Commitid_BestCount(cidszr);
difference(){
mirror([0,0,1]) {
translate(concat(botleft + [test_edge,test_edge], [test_tile_th]))
translate(concat(botleft_post, [-1]))
cube(concat(topright_post-botleft_post, [tile_th+2]));
}
+ shufflesz = max(test_edge, tile_hard_edge_hole_dist)*2;
minkowski(){
- Machine();
- cube(max(test_edge, tile_hard_edge_hole_dist)*2, center=true);
+ MachineEnvelope();
+ cube(shufflesz, center=true);
}
}
}
}
}
+m4_dnl R_EDGE(c,ix)
+m4_dnl c is from Rectangle_corners and
+m4_dnl ix is a corner number
+m4_dnl expands to two comma-separated corners:
+m4_dnl that denoted by ix, and the next one anticlockwise
+m4_define(`R_EDGE',`$1[$2], $1[(($2)+1)%4]')
+
+m4_dnl R_CNR(c,ix)
+m4_dnl c is from Rectangle_corners and
+m4_dnl ix is a corner number
+m4_dnl expands to an array of corners as for RoundCorner
+m4_define(`R_CNR',`[ $1[$2], $1[(($2)+1)%4], $1[(($2)+3)%4] ]')
+
m4_dnl INREFFRAME(left_cnr, right_cnr, morevars) { body; }
m4_define(`INREFFRAME',`
length_vec = ($2) - ($1);
}
}
-module RoundCornerCut(ci) {
- // ci should be [this_cnr, right_cnr]
- // where right_cnr is to the right (ie, anticlockwise)
+m4_define(`ROUNDCORNER_VARS',`
this_cnr = ci[0];
right_cnr = ci[1];
- offr= round_cnr_rad - round_edge_rad;
- INREFFRAME(this_cnr, right_cnr) INREFFRAME_EDGE {
- difference(){
- cube(offr*2 - 0.1, center=true);
- translate([offr, offr, 0])
- cylinder(center=true, h=20, r= offr);
+ left_cnr = ci[2];
+ bigr= round_cnr_rad - round_edge_rad;
+ l_uvec = unitvector2d(left_cnr - this_cnr);
+ r_uvec = unitvector2d(right_cnr - this_cnr);
+ lp1 = left_cnr + clockwise2d(l_uvec) * bigr;
+ lp2 = this_cnr + clockwise2d(l_uvec) * bigr;
+ lp3 = this_cnr - clockwise2d(r_uvec) * bigr;
+ lp4 = right_cnr - clockwise2d(r_uvec) * bigr;
+ ctr = line_intersection_2d(lp1,lp2,lp3,lp4);
+ ctr3 = concat(ctr,[0])
+')
+
+module RoundCorner_selector(ci, adj) {
+ ROUNDCORNER_VARS;
+ intersection(){
+ union(){
+ INREFFRAME(ctr3,concat(lp1,[4])){
+ translate([0,0,-bigr]) linear_extrude(height=bigr*2) {
+ translate([-bigr*2 + adj, -bigr])
+ square([bigr*2, bigr*3]);
+ }
+ }
}
+ union(){
+ INREFFRAME(ctr3,concat(lp4,[0])){
+ translate([0,0,-bigr]) linear_extrude(height=bigr*2) {
+ translate([-bigr*2, -bigr*2])
+ square([bigr*2 + adj, bigr*3]);
+ }
+ }
+ }
+ }
+}
+
+module RoundCornerCut(ci) {
+ // ci should be [this_cnr, right_cnr, left_cnr]
+ // where right_cnr is to the right (ie, anticlockwise)
+ ROUNDCORNER_VARS;
+ difference(){
+ RoundCorner_selector(ci, -0.1);
+ translate(ctr3)
+ cylinder(center=true, h=20, r= bigr);
}
}
module RoundCornerAdd(ci) {
- this_cnr = ci[0];
- right_cnr = ci[1];
- bigr = round_cnr_rad - round_edge_rad;
- INREFFRAME(this_cnr, right_cnr) INREFFRAME_EDGE {
- intersection(){
- cube(bigr*2 + 0.1, center=true);
- translate([bigr, bigr, 0])
+ ROUNDCORNER_VARS;
+ intersection(){
+ RoundCorner_selector(ci, +0.1);
+ INREFFRAME_EDGE {
+ translate(ctr3){
rotate_extrude(convexity=10, $fn=50)
- translate([bigr, 0])
- difference(){
+ translate([bigr, 0])
+ difference(){
circle(r= round_edge_rad, $fn=50);
mirror([1,1])
square([20,20]);
- }
+ }
+ }
}
}
}
[ 0, 0]
];
corners = TestPiece_holes2corners(holes);
- rcs = [corners[0], corners[1]];
+ rcs = R_CNR(corners,0);
difference(){
union(){
TileBase(corners[0], corners[2]);
translate([0,0,-30]) linear_extrude(height=60) {
translate(tile01_tr + [0, (-cutout_tile01_y + cutout_tile11_y)/2]) {
intersection(){
- translate([-100, -ysz/2])
+ translate([-50, -ysz/2])
square([400, ysz]);
translate([ endrad - cutout_tile11_x - cutout_l_end_x_slop, 0 ])
circle(r=endrad, $fa=0.01,$fd=5);
machine_front_profile);
skew_angle = atan2( first_front[1] - first_rear[1],
first_front[0] - first_rear[0] );
- echo(below_point, pol, skew_angle);
+ //echo(below_point, pol, skew_angle);
hull(){
for (z=[0,-40]) {
translate([0,z]) {
}
}
-module Machine_RearProfile(){
+module Machine_NewRearProfile(){
+ // figures copied out of xfig edit boxes
+ // best not to edit the posbox size if poss - just move it
+ posbox = 10 * ([7.2333,-14.1267] - [-16.2289,40.0289]); // box, Green
+ sideline = -10 * ([-6.2400,13.5600] - [-2.4467,28.2556]); // line, Blue
+ scaleline = 10 * dist2d([-1.1911,-20.4800], [-11.2600,4.0578]); // Green2
+ scaleline_mm = 12+5+10+5+3;
+ sh = -[abs(posbox[0]), abs(posbox[1])];
+ rot = atan2(-sideline[0], sideline[1]);
+ sc = scaleline_mm / scaleline;
+ //echo("SH",sh,rot,sc);
+ scale(sc) rotate(rot) translate(sh){
+ import("sewing-table-rear-profile.dxf", convexity=10); // spline, Pink3
+ }
+}
+
+module Machine_NewFrontProfile(){
+ // figures copied out of xfig edit boxes
+ // best not to edit the posbox size if poss - just move it
+ posbox = 10 * ([11.8022,8.0600] - [4.2044,19.1867]); // box, Green
+ refline = 10 * ([7.6778,16.7222] - [27.8689,17.6578]); // line, Blue
+ refline_mm = (11-1)*10;
+ sh = -[abs(posbox[0]), abs(posbox[1])];
+ rot = atan2(-refline[0], refline[1]);
+ sc = refline_mm / vectorlen2d(refline);
+ //echo("SH",sh,rot,sc);
+ mirror([1,0]) scale(sc) rotate(rot+90) translate(sh){
+ import("sewing-table-front-profile.dxf", convexity=10); // spline, Pink3
+ }
+}
+
+module Machine_NewRearCurve(){
+ slant = atan2(4,210-10);
+ //echo("SL",slant);
+ translate([0,0, rearcurve_double_inrad]) rotate([slant,0,0]){
+ translate([ rearcurve_double_inrad,
+ 0,
+ -rearcurve_double_inrad + 10 ]){
+ rotate([180,0,0]) rotate([0,0,90]) linear_extrude(height=30){
+ hull(){
+ Machine_NewRearProfile();
+ translate([0,-100]) Machine_NewRearProfile();
+ }
+ }
+ }
+ rotate([0,90,0]) rotate([90,0,0]) {
+ intersection(){
+ rotate_extrude(convexity=10, $fn=64)
+ rotate(90)
+ translate([ 0, -rearcurve_double_inrad ])
+ Machine_NewRearProfile();
+ translate([0,0,-500])
+ cube([500,500,1000]);
+ }
+ }
+ translate([1,0,-rearcurve_double_inrad])
+ rotate([0,-90,0]) rotate([0,0,-90])
+ linear_extrude(height= rearcurve_strt_len + 1)
+ Machine_NewRearProfile();
+ }
+}
+
+module Machine_RearProfile(){ ////toplevel
intersection(){
Machine_Profile();
translate([ -200 + machine_rear_to_front/2, -100 ]) {
//%cube([20,20,20]);
translate([ -reartablet_x,
-1,
- -reartablet_z])
+ -reartablet_z + tablet_z_slop])
mirror([0,0,1])
cube([ reartablet_x+1,
reartablet_y+1,
translate([ tile01_tr[0] - cutout_l_end_x + rearedge_len,
cutout_tile11_y,
frontcurve_z_slop ]){
- translate([ 0, -first_front[0] , 0 ])
+ translate([0, -machine_rear_to_front, 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();
- }
- }
+ mirror([1,0,0]) rotate([0,-90,0])rotate([0,0,-90])
+ linear_extrude(height= 200)
+ Machine_NewFrontProfile();
+
translate([ rearcurve_strt_len,
0,
rearcurve_z_slop ]){
- translate([ 1,
- 0,
- 0
- ]){
- rotate([0,-90,0])rotate([0,0,-90]){
- linear_extrude(height= rearcurve_strt_len + 1)
- Machine_RearProfile();
- }
- }
- translate([ 0,
- 0,
- rearcurve_double_inrad ]) {
- intersection(){
- rotate([90,0,0]){
- rotate_extrude(convexity=10, $fn=32) {
- rotate([0,0,90]) translate([ 0,
- -rearcurve_double_inrad ]) {
- Machine_RearProfile();
- }
- }
- }
- mirror([0,0,1])
- translate([0,-75,0]) cube([150,150,150]);
- }
- }
+ Machine_NewRearCurve();
}
}
}
Machine_Arm();
Machine_Curves();
}
-
+
+module MachineEnvelope(){
+ // used for testing
+ p_arm_bl = [-cutout_tile11_x, -cutout_tile01_y];
+ y_arm_t = cutout_tile11_y;
+ p_crv_fl = p_arm_bl + [rearedge_len, -frontcurve_avoid_y];
+ y_crv_b = y_arm_t + rearcurve_avoid_y;
+
+ translate([0,0,-50]) linear_extrude(height= 100){
+ translate(p_arm_bl) square([400, y_arm_t] - p_arm_bl);
+ translate(p_crv_fl) square([400, y_crv_b] - p_crv_fl);
+ }
+}
+
function Rectangle_corners(c0, sz) =
// returns the corners of a rectangle from c0 to c0+sz
// if sz is positive, the corners are anticlockwise starting with c0
function Posts_interpolate_one(c0,c1) = [c0, (c0+c1)/2, c1];
-m4_dnl R_EDGE(c,ix)
-m4_dnl c is from Rectangle_corners and
-m4_dnl ix is a corner number
-m4_dnl expands to two comma-separated corners:
-m4_dnl that denoted by ix, and the next one anticlockwise
-m4_define(`R_EDGE',`$1[$2],$1[(($2)+1)%4]')
+module FitTest_general(c0,sz, dobrace=false){
+ c = Rectangle_corners(c0, sz);
+ brace = [7,7,9];
+ difference(){
+ union(){
+ Rectangle_TileBase(c);
+ if (dobrace) {
+ translate(concat(c0, [-brace[2] + 0.1])){
+ difference(){
+ cube(concat(sz,[brace[2]]) - [5,0,0]);
+ translate(brace + [0,0, -25])
+ cube(concat(sz, [50]) - brace*2 + [10,0,0]);
+ }
+ }
+ }
+ RoundEdge(R_EDGE(c,1));
+ }
+ Machine();
+ }
+}
+
+module FitTest_Entire(){ ////toplevel
+ FitTest_general([-40,-80], [275,180], dobrace=true);
+}
+
+module FitTest_RearCurve(){ ////toplevel
+ FitTest_general([110,0], [170,100]);
+}
module Tile02(){ ////toplevel
sz = [100,170];
c0 = tile02_tr + -sz;
c = Rectangle_corners(c0, sz);
posts = Rectangle_corners2posts(c);
- rcs = [R_EDGE(c,0)];
+ rcs = R_CNR(c,0);
difference(){
union(){
Rectangle_TileBase(c);
c0 = tile02_tr + [-sz[0], 0];
c = Rectangle_corners(c0, sz);
posts = Rectangle_corners2posts(c);
- rcs = [R_EDGE(c,3)];
+ rcs = R_CNR(c,3);
difference(){
union(){
Rectangle_TileBase(c);
cnr_posts[1] + [ 0, rcy ],
cnr_posts[2],
cnr_posts[3] ];
- rcs = [R_EDGE(c,2)];
+ rcs = R_CNR(c,2);
difference(){
union(){
Rectangle_TileBase(c);
sz = [250,170];
c0 = tile01_tr + [0,-sz[1]];
c = Rectangle_corners(c0, sz);
+
+ // the edge c[1]..c[2] needs a diagonal chunk, from c1bis to c2bis
+ c2bis = [ -cutout_l_end_x + rearedge_len + frontcurve_strt_len, c[2][1] ];
+ c1bis = [ c[1][0],
+ c[2][1] -
+ (c[2][0] - c2bis[0]) * tan(90 - frontcurve_dualcurve_angle) ];
+
cnr_posts = Rectangle_corners2posts(c);
cty = cutout_tile01_y;
rcy = cty + frontcurve_avoid_y;
cnr_posts[2] + [ -sz[0] + rearedge_len - cutout_l_end_x, -cty ],
cnr_posts[3] + [ 0, -cty ]
];
- rcs = [R_EDGE(c,1)];
+ rcs = R_CNR(c,1);
+ rc2 = [c1bis,c2bis,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]);
+ difference(){
+ union(){
+ Rectangle_TileBase(c);
+ Posts(posts);
+ RoundEdge(R_EDGE(c,0));
+ RoundEdge(c[1], c1bis);
+ InterlockEdge(tile_01_00_cnr, c[0]);
+ }
+ RoundCornerCut(rcs);
+ translate([0,0,-20]) linear_extrude(height=40) {
+ polygon([ c1bis, c1bis + [50,0], c2bis + [50,0], c2bis ]);
+ }
+ }
+ RoundEdge(c1bis, c2bis);
}
- RoundCornerCut(rcs);
Machine();
+ RoundCornerCut(rc2);
}
RoundCornerAdd(rcs);
+ RoundCornerAdd(rc2);
+}
+
+module FitTest_FrontCurve(){ ////toplevel
+ p0 = [110,-80];
+ sz = [170,80];
+ intersection() {
+ Tile00();
+ translate([0,0,-8]) linear_extrude(height=18) {
+ translate(p0) square(sz);
+ }
+ }
+}
+
+module RoundCornerDemo_plat(cnr){
+ mirror([0,0,1]) linear_extrude(height=1) polygon(cnr);
+}
+
+module RoundCornerDemo(){ ////toplevel
+ cnr = [ [-2,-3], [13,-3], [-12,9] ];
+ translate([0,25,0]) RoundCornerDemo_plat(cnr);
+ translate([25,0,0]) RoundCornerAdd(cnr);
+ translate([-25,0,0]) RoundCornerCut(cnr);
+ translate([0,-25,0]) RoundCorner_selector(cnr, 0);
+ difference(){
+ RoundCornerDemo_plat(cnr);
+ RoundCornerCut(cnr);
+ }
+ RoundCornerAdd(cnr);
}
module Demo(){ ////toplevel
//Demo();
//Machine_Profile();
-//Machine_RearProfile();
+//Machine_NewRearProfile();
+//Machine_NewRearCurve();
+//Machine_NewFrontProfile();
+//Machine_Curves();
+//Machine();
+//FitTest();
+//MachineEnvelope();
~ianmdlvl / reprap-play.git / blobdiff