cutout_l_end_y_front_slop = 0.5;
cutout_l_end_y_rear_slop = 0.5;
-cutout_l_end_x_slop = 0.25;
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 - 1.95;
cutout_l_end_y_total = cutout_l_end_y
+ cutout_l_end_y_front_slop + cutout_l_end_y_rear_slop;
tile01_tr = [ 0, 0];
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;
// front and rear curves
-rearedge_len = 170;
+rearedge_len = 170 + 0.70;
+frontedge_len = 170;
rearcurve_strt_len = 52;
// calculated
TEST = false;
+JIG = false;
ply_edge_hole_dist = ply_edge_min + ply_hole_dia/2;
cylinder(r= screw_dia/2, h= ply_th, $fn=20);
}
}
- if (TEST) {
+ if (TEST || JIG) {
translate([0,0, tile_th/2]) {
cube([post_dia, POST_TCROSSSZ, tile_th], center=true);
cube([POST_TCROSSSZ, post_dia, tile_th], center=true);
mirror([0,0,1])
translate(concat(botleft, [0]))
cube(concat(size, [tile_th]));
- if (!TEST) {
+ if (!(TEST || JIG)) {
cidsz = topright_post-botleft_post
+ [-post_dia,-post_dia]
+ [0, thehd[1]];
+ 0.5 * concat( cidsz - cidszr, [ 0 ]) )
Commitid_BestCount_M(cidszr);
}
- if (TEST) {
+ if ((TEST || JIG)) {
crossoff = tile_hard_edge_hole_dist + POST_TCROSSSZ/2;
cidsz = [ thehd[0], size[1] - 2*crossoff ];
cidszr = [ cidsz[0], min(cidsz[1], 50) ];
TestPiece2();
}
-module Machine_Arm(){
- ysz = cutout_l_end_y_total;
- // assume the round end is arc of a circle
- chordlen = dist2d([0,0], [ cutout_l_end_y, cutout_l_end_curve ]);
- endrad = cutout_l_end_y / cutout_l_end_curve * chordlen;
-
- translate([0,0,-30]) linear_extrude(height=60) {
- translate(tile01_tr + [0, (-cutout_tile01_y + cutout_tile11_y)/2]) {
- intersection(){
- 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);
- }
- }
- }
-}
-
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
- // best not to edit the posbox size if poss - just move it
+ // 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);
[[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])')
+ m4_define(`MNEP_ELP',
+ `line_intersection_2d(baseline[0],baseline[1],
+ sidelines[$1][0],sidelines[$1][1])')
endline = [MNEP_ELP(0),MNEP_ELP(1)];
- echo("PBS",posboxs,"PB",posbox,"SL00",sidelines[0][0]);
-
- //%translate(posbox) square(10);
rot = atan2(-refline[1], -refline[0]);
sc = refline_mm / vectorlen2d(refline);
sh = (0.5 * (endline[0] + endline[1])) - posbox;
-// 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[0],-sh[1]]){
+
+ 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);
}
}
+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);
reartablet_y+1,
20 ]);
}
- translate([ tile01_tr[0] - cutout_l_end_x + rearedge_len,
+ translate([ tile01_tr[0] - cutout_l_end_x + frontedge_len,
cutout_tile11_y,
frontcurve_z_slop ]){
translate([0, -machine_rear_to_front, 0])
mirror([1,0,0]) rotate([0,-90,0])rotate([0,0,-90])
linear_extrude(height= 200)
Machine_NewFrontProfile();
-
+ }
+ translate([ tile01_tr[0] - cutout_l_end_x + rearedge_len,
+ cutout_tile11_y,
+ frontcurve_z_slop ]){
translate([ rearcurve_strt_len,
0,
rearcurve_z_slop ]){
}
module Machine(){ ////toplevel
- Machine_Arm();
+ Machine_NewArm();
Machine_Curves();
- if (TEST)
+ if (TEST || JIG)
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];
+ p_crv_fl = p_arm_bl + [frontedge_len, -frontcurve_avoid_y];
y_crv_b = y_arm_t + rearcurve_avoid_y;
translate([0,0,-50]) linear_extrude(height= 100){
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(){
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] ];
+ c2bis = [ -cutout_l_end_x + frontedge_len + frontcurve_strt_len, c[2][1] ];
c1bis = [ c[1][0],
c[2][1] -
(c[2][0] - c2bis[0]) * tan(90 - frontcurve_dualcurve_angle) ];
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[2] + [ -sz[0] + frontedge_len - cutout_l_end_x, -cty ],
cnr_posts[3] + [ 0, -cty ]
];
rcs = R_CNR(c,1);
}
module FitTest_EndEnd(){ ////toplevel
- p0 = [-32,-32];
- sz = [188,113];
- sz2 = [168,100];
+ p0 = [-30,-32];
+ sz = [156,81] - p0;
+ sz2 = [136,68] - p0;
difference(){
FitTest_general(p0, sz);
translate([ p0[0] -1, p0[1]+sz2[1], -10])