// cutout
-machine_rear_to_front = 85;
-
-machine_rear_profile = [
- [ - 0, -0.00 ],
- [ - 2, -0.10 ],
- [ - 4, -0.20 ],
- [ - 5, -0.30 ],
- [ - 6, -0.40 ],
- [ - 7, -0.50 ],
- [ - 8, -0.75 ],
- [ - 10, -1.50 ],
- [ - 12, -2.25 ],
- [ - 14, -3.25 ],
- [ - 16, -4.25 ],
- [ - 18, -5.75 ],
- [ - 20, -8.00 ]
- ];
-
-machine_front_profile = [
- [ 128, -3.70, ],
- [ 124, -2.90, ],
- [ 120, -2.45, ],
- [ 116, -2.10, ],
- [ 112, -1.80, ],
- [ 108, -1.55, ],
- [ 104, -1.25, ],
- [ 100, -1.00, ],
- [ 96, -0.80, ],
- [ 92, -0.65, ],
- [ 88, -0.55, ],
- [ 84, -0.50, ]
- ];
+machine_rear_to_front = 84 + 0.25 - 1.4;
cutout_l_end_y_front_slop = 0.5;
cutout_l_end_y_rear_slop = 0.5;
cutout_l_end_x = 22;
cutout_l_end_y = machine_rear_to_front;
cutout_l_end_curve = 1;
+cutout_l_end_new_x_slop = -1.4;
cutout_l_end_y_total = cutout_l_end_y
+ cutout_l_end_y_front_slop + cutout_l_end_y_rear_slop;
rearcurve_strt_len = 52;
-rearcurve_z_slop = 0.75;
+rearcurve_z_slop = -0.50;
rearcurve_avoid_y = 35;
frontcurve_avoid_y = 70;
frontcurve_z_slop = 0.75;
-frontcurve_strt_len = 60;
-frontcurve_dualcurve_angle = 90 - 65;
+frontcurve_strt_len = 50;
+frontcurve_dualcurve_angle = 30;
+
+teststrapslots_at = [ [ 110, 70 ], [ 110, -35 ],
+ [ 180, 90 ],
+ [ 190, -80 ], // do not change index of this one
+ [ 0, 70 ], [ 0, -35 ],
+ ];
+
+teststrap = [ 3, 5 ];
+teststrap_peg = [7.5, 3.5];
// calculated
thehd_bl = -thehd_tr;
thehd_br = -thehd_tl;
-tablet_z_slop = rearcurve_z_slop;
+tablet_z_slop = 0.25;
interlock_rad = interlock_dia/2;
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 Machine_Profile(){
- first_rear = machine_rear_profile[0];
- below_point = 0.5 * ( first_rear + first_front ) + [ 0, -10 ];
- pol = concat( machine_rear_profile,
- [ below_point ],
- machine_front_profile);
- skew_angle = atan2( first_front[1] - first_rear[1],
- first_front[0] - first_rear[0] );
- //echo(below_point, pol, skew_angle);
- hull(){
- for (z=[0,-40]) {
- translate([0,z]) {
- //scale([1,5])
- rotate([0,0, -skew_angle ]){
- //translate( - first_front )
- polygon(pol);
- }
- }
- }
- }
-}
-
module Machine_NewRearProfile(){
// figures copied out of xfig edit boxes
// best not to edit the posbox size if poss - just move it
}
}
+module Machine_NewEndProfile(){
+ // figures copied out of xfig edit boxes
+ // NB that y coords are reversed - xfig origin is at bottom left
+ posboxs = 10 * [[4.0400,17.7956], [11.6622,32.5511]]; // box, Pink3
+ refline = 10 * ([8.4000,22.6000] - [50.3000,22.2000]); // line, Blue
+ refline_mm = 10 * (11 - 2.5);
+ sidelines = 10 * [[[9.0889,20.6178], [8.9644,14.6889]],
+ [[50.3800,21.9578], [50.1933,14.4933]]]; // lines, Blue3
+ baseline = 10 * [[8.4000,18.0822], [50.3000,17.6822]]; // line, Green2
+
+ rot_adj = -0.38;
+
+ posbox = [min(posboxs[0][0],posboxs[1][0]),
+ max(posboxs[0][1],posboxs[1][1])];
+
+ m4_define(`MNEP_ELP',
+ `line_intersection_2d(baseline[0],baseline[1],
+ sidelines[$1][0],sidelines[$1][1])')
+ endline = [MNEP_ELP(0),MNEP_ELP(1)];
+
+ rot = atan2(-refline[1], -refline[0]);
+ sc = refline_mm / vectorlen2d(refline);
+ sh = (0.5 * (endline[0] + endline[1])) - posbox;
+
+ ellen = sc * dist2d(endline[0],endline[1]);
+ scy = cutout_l_end_y_total / ellen;
+
+ scale([scy,1]) scale(sc) rotate(rot + rot_adj) translate(-[sh[0],-sh[1]]){
+
+ mirror([0,1]){
+ //%translate(1 * (posboxs[0] - posbox)) square(50);
+ //%translate(1 * (posboxs[1] - posbox)) square(50);
+// %translate(1 * (baseline[0] - posbox)) square([50,10]);
+
+// %translate(1 * (endline[0] - posbox)) square([50,10]);
+// %translate(1 * (endline[1] - posbox)) square([50,10]);
+
+// %translate(1 * (sidelines[0][0] - posbox)) square([10,50]);
+// %translate(1 * (sidelines[0][1] - posbox)) square([10,50]);
+// %translate(1 * (sidelines[1][0] - posbox)) square([10,50]);
+// %translate(1 * (sidelines[1][1] - posbox)) square([10,50]);
+ }
+
+ import("sewing-table-end-profile.dxf", convexity=10); // spline, Pink3
+ }
+}
+
+module Machine_NewEndProfileDemo(){ ////toplevel
+ translate([0,5,0]) Machine_NewEndProfile();
+ translate([0,5,1]) color("blue") mirror([1,0]) Machine_NewEndProfile();
+ mirror([0,1,0]){
+ translate([0,5, 0]) Machine_NewEndProfile();
+ translate([0,5,-1]) color("blue") mirror([1,0]) Machine_NewEndProfile();
+ }
+}
+
+module Machine_NewArm(){
+ translate([0,0,-30]) linear_extrude(height=60) {
+ translate(tile01_tr + [ -cutout_l_end_x + cutout_l_end_new_x_slop,
+ (-cutout_tile01_y + cutout_tile11_y)/2 ]){
+ rotate(-90){
+ hull(){
+ for (d=[0,400])
+ translate([0,d]) Machine_NewEndProfile();
+ }
+ }
+ }
+ }
+}
+
module Machine_NewRearCurve(){
slant = atan2(4,210-10);
//echo("SL",slant);
}
}
-module Machine_RearProfile(){ ////toplevel
- intersection(){
- Machine_Profile();
- translate([ -200 + machine_rear_to_front/2, -100 ]) {
- square([200,200]);
- }
- }
-}
-
-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,
}
}
+module TestStrapSlots(){
+ pegwidth = teststrap_peg[0];
+ for (pos = teststrapslots_at) {
+ echo("TSS",pos);
+ translate(concat(pos,[0]))
+ for (mx = [0,1]) mirror([mx,0,0]) {
+ translate([ pegwidth/2, -teststrap[1]/2, -20 ])
+ cube(concat(teststrap,[40]));
+ }
+ }
+}
+
+module TestStrapPeg_any(l){ cube(concat([l],teststrap_peg)); }
+
+module TestStrapPeg_Short(){ ////toplevel
+ TestStrapPeg_any(35);
+}
+
+module TestStrapPeg_Long(){ ////toplevel
+ TestStrapPeg_any(60);
+}
+
module Machine(){ ////toplevel
Machine_Arm();
Machine_Curves();
+ if (TEST)
+ TestStrapSlots();
}
module MachineEnvelope(){
// used for testing
- p_arm_bl = [-cutout_tile11_x, -cutout_tile01_y];
+ p_arm_bl = [-cutout_l_end_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;
RoundCornerAdd(rcs);
}
-tile_01_11_cnr = tile01_tr + [-cutout_tile11_x, 0];
+tile_01_11_cnr = tile01_tr + [-cutout_l_end_x, 0];
tile_11_10_cnr = tile01_tr + [0, cutout_tile11_y];
tile_01_00_cnr = tile01_tr - [0, cutout_tile01_y];
cnr_posts = Rectangle_corners2posts(c);
posts = concat(
Posts_interpolate_one(cnr_posts[0],
- cnr_posts[1] - [cutout_tile11_x, 0]),
+ cnr_posts[1] - [cutout_l_end_x, 0]),
[ cnr_posts[1] + [0, cutout_tile11_y],
cnr_posts[2],
cnr_posts[3]
posts = concat(
Posts_interpolate_one(R_EDGE(cnr_posts,0)),
[ cnr_posts[2] + [0, -cutout_tile01_y] ],
- Posts_interpolate_one(cnr_posts[2] - [cutout_tile11_x, 0],
+ Posts_interpolate_one(cnr_posts[2] - [cutout_l_end_x, 0],
cnr_posts[3])
);
difference(){
RoundCornerAdd(rc2);
}
-module FitTest_general(c0,sz, dobrace=false){
+module FitTest_general(c0,sz, dobrace=false, bracexx=0){
c = Rectangle_corners(c0, sz);
brace = [7,7,9];
+ bsz = sz + [bracexx,0,0];
difference(){
union(){
Rectangle_TileBase(c);
if (dobrace) {
translate(concat(c0, [-brace[2] + 0.1])){
difference(){
- cube(concat(sz,[brace[2]]) - [5,0,0]);
+ cube(concat(bsz, [brace[2]]) - [5,0,0]);
translate(brace + [0,0, -25])
- cube(concat(sz, [50]) - brace*2 + [10,0,0]);
+ cube(concat(bsz, [50]) - brace*2 + [10,0,0]);
}
}
}
}
}
-module FitTest_Entire(){ ////toplevel
- FitTest_general([-40,-80], [275,180], dobrace=true);
+module FitTest_PairLink(cut=false){ ////toplevel
+ cy0=-55; cy1=85; cx=132;
+ bar = [10,10];
+ legrad = 12;
+ footrad_min = 1; footrad_max = 4; footrad_depth = 5;
+ strap = [3,5];
+ adj_neg_slop = 1.0;
+ bar_z_slop = 1.75;
+
+ // calculated
+ straphole_x_max = legrad/sqrt(2) + footrad_max;
+ dz = cut ? adj_neg_slop : 0;
+
+ translate([cx - bar[0]/2, cy0, dz + bar_z_slop])
+ cube([bar[0], cy1-cy0, bar[1] - bar_z_slop]);
+
+ for (endy=[cy0,cy1]) {
+ $fn=32;
+ translate([cx,endy,dz]){
+ // feet
+ for (rot=[45:90:315]) rotate(rot) {
+ translate([legrad,0,0]){
+ hull(){
+ cylinder(r= footrad_max, h=1);
+ translate([0,0,-footrad_depth])
+ cylinder(r= footrad_min, h=1);
+ }
+ if (cut)
+ translate([0,0,-10])
+ cylinder(r= footrad_min +
+ adj_neg_slop * (footrad_max-footrad_min)/footrad_depth,
+ h=20);
+ }
+ }
+ // legs
+ for (rot=[45,135]) rotate(rot) {
+ hull(){
+ for (s=[-1,+1]){
+ translate([s*legrad,0,0])
+ cylinder(r= footrad_max, h=bar[1]);
+ }
+ }
+ }
+ // strap holes
+ if (cut) {
+ for (rot=[0,180]) rotate(rot) {
+ translate([ straphole_x_max - strap[0]/2, 0,0 ])
+ cube(concat(strap,[20]), center=true);
+ }
+ }
+ }
+ }
}
module FitTest_RearCurve(){ ////toplevel
- FitTest_general([110,0], [170,100]);
+ difference(){
+ FitTest_general([100,0], [180,100]);
+ FitTest_PairLink(true);
+ TestStrapSlots();
+ }
}
module FitTest_FrontCurve(){ ////toplevel
- p0 = [110,-80];
- sz = [170,80];
- intersection() {
- Tile00();
- translate([0,0,-8]) linear_extrude(height=18) {
- translate(p0) square(sz);
+ p0 = [100,-80];
+ sz = [180,80];
+ difference(){
+ intersection() {
+ Tile00();
+ translate([0,0,-8]) linear_extrude(height=18) {
+ translate(p0) square(sz);
+ translate(teststrapslots_at[3])
+ scale(2* [ teststrap_peg[0], teststrap[1] ])
+ circle(r=1, $fn=20);
+ }
}
+ FitTest_PairLink(true);
+ TestStrapSlots();
}
}
-module FitTest_PairLink(adjust=0){ ////toplevel
- cy0=-55; cy1=85; cx=130;
- bar = [10,10];
- legrad = 15;
- footrad_min = 4; footrad_max = 6; footrad_depth = 3;
+module FitTest_Entire(){ ////toplevel
+ p0 = [-33,-80];
+ szrear = [263,180];
+ szfront = [243,szrear[1]];
+ difference(){
+ FitTest_general(p0, szrear, dobrace=true, bracexx=0);
+ FitTest_PairLink(true);
+ translate(concat(p0,[0]) + [szfront[0],-10,-40])
+ cube([100, -p0[1], 80]);
+ TestStrapSlots();
+ }
+ intersection(){
+ FitTest_RearCurve();
+ translate(concat(p0,[-20])) cube(concat(szrear,[40]));
+ }
+ FitTest_FrontCurve();
+}
- translate([cx - bar[0]/2, cy0, 0])
- cube([bar[0], cy1-cy0, bar[1]]);
- for (endy=[cy0,cy1]) {
- translate([cx,endy,0]){
- for (rot=[0:90:270]) {
- rotate(rot){
- translate([legrad,0,0]){
- hull(){
- cylinder(r= footrad_max, height=1);
- translate([0,0,-footrad_depth])
- cylinder(r= footrad_min, height=1);
- }
- }
- }
- }
- }
+module FitTest_EntireDemo(){ ////toplevel
+ FitTest_Entire();
+ //%Tile00();
+}
+
+module FitTest_EndEnd(){ ////toplevel
+ p0 = [-32,-32];
+ sz = [188,113];
+ sz2 = [168,100];
+ difference(){
+ FitTest_general(p0, sz);
+ translate([ p0[0] -1, p0[1]+sz2[1], -10])
+ cube([ sz2[0] +1, 50, 20 ]);
}
}
module FitTest_PairDemo(){ ////toplevel
- %FitTest_FrontCurve();
- %FitTest_RearCurve();
- FitTest_PairLink();
+ sh=[-90,-15,0];
+ translate(sh){
+ FitTest_PairLink();
+ %FitTest_FrontCurve();
+ %FitTest_RearCurve();
+ }
+ rotate([0,0,180]){
+ translate(sh){
+ difference(){
+ union(){
+ FitTest_FrontCurve();
+ FitTest_RearCurve();
+ }
+ #FitTest_PairLink(true);
+ }
+ }
+ }
}
module RoundCornerDemo_plat(cnr){
//TestPiece2();
//Demo();
-//Machine_Profile();
//Machine_NewRearProfile();
//Machine_NewRearCurve();
//Machine_NewFrontProfile();
+//Machine_NewEndProfile();
+//Machine_NewEndProfileDemo();
//Machine_Curves();
//Machine();
//FitTest();
~ianmdlvl / reprap-play.git / blobdiff