+//----- storarm -----
+
+storarm_hooklen = 8;
+storarm_hookheight = 5;
+storarm_thick = 10;
+storarm_axleslop = 4;
+
+storarm_base_w = 30;
+storarm_base_h = 100;
+storarm_base_d = 15;
+storarm_base_mind = 2;
+
+storarm_cope_hubaxle_mk1 = true;
+
+storarm_screw_hole = 4;
+storarm_screw_hole_slop = 0.5;
+storarm_besides_hole = 4;
+
+storarm_under_hole = 5;
+storarm_screw_hole_head = 8.8;
+storarm_screw_hole_head_slop = 1.5;
+
+// calculated
+
+storarm_axlerad = hubaxlerad - storarm_axleslop;
+storarm_mainlen = hubaxlelen*2 + storarm_axleslop
+ + (storarm_cope_hubaxle_mk1 ? 10 : 0);
+storarm_totlen = storarm_mainlen + storarm_hooklen;
+
+storarm_mid_off_y = storarm_axlerad;
+
+storarm_base_off_y = storarm_mid_off_y + storarm_base_h/2;
+
+module StorageArmDiagPartSide(xmin, xmax){
+ xsz = xmax-xmin;
+ yuse = storarm_thick/2;
+
+ intersection(){
+ translate([xmin-1, -storarm_axlerad, storarm_thick/2])
+ rotate([0,90,0])
+ cylinder(r=storarm_axlerad, h=xsz+2, $fn=60);
+ translate([xmin, -yuse, 0])
+ cube([xsz, yuse, storarm_thick]);
+ }
+}
+
+module StorageArmDiagPart(xmin, xmax, shear, adjbot){
+ hull(){
+ StorageArmDiagPartSide(xmin,xmax);
+
+ multmatrix([[1,0,0,0],
+ [shear,1,0,0],
+ [0,0,1,0],
+ [0,0,0,1]])
+ translate([0, -storarm_axlerad*2 + adjbot, 0])
+ mirror([0,1,0])
+ StorageArmDiagPartSide(xmin,xmax);
+ }
+}
+
+module StorageArmBaseTemplate(){
+ square([storarm_base_w, storarm_base_h]);
+}
+
+module StorageArmAtMountingHoles(){
+ bes = storarm_besides_hole + storarm_screw_hole;
+
+ x0 = bes;
+ x1 = storarm_base_w-bes;
+ y1 = storarm_base_h - bes;
+ y0 = bes;
+
+ for (pos=[ [x0, y1],
+ [x1, y1],
+ [x1, y0] ]) {
+ rotate([0,90,0])
+ translate([pos[0] - storarm_base_w,
+ pos[1] - storarm_base_off_y, -storarm_base_d])
+ children();
+ }
+}
+
+module StorageArmRight(){ ////toplevel
+ shear = storarm_hookheight / (storarm_mainlen/2);
+
+ StorageArmDiagPart(-1, storarm_mainlen/2+1, shear, 0);
+ StorageArmDiagPart(storarm_mainlen/2-1, storarm_mainlen+1, shear/2,
+ storarm_hookheight/2);
+
+ translate([0, storarm_hookheight, 0])
+ StorageArmDiagPart(storarm_mainlen, storarm_totlen,
+ shear/2, -storarm_hookheight/2);
+
+ difference(){
+ union(){
+ hull(){
+ translate([-storarm_base_d, -storarm_base_off_y, storarm_base_w])
+ rotate([0,90,0])
+ linear_extrude(height=storarm_base_mind)
+ StorageArmBaseTemplate();
+ StorageArmDiagPart(-1, 0, shear, 0);
+ }
+ StorageArmAtMountingHoles(){
+ cylinder(r= storarm_screw_hole_head/2,
+ h=10);
+ }
+ }
+ StorageArmAtMountingHoles(){
+ translate([0,0,-1])
+ cylinder(r= (storarm_screw_hole + storarm_screw_hole_slop)/2 ,
+ h=20);
+ translate([0,0,storarm_under_hole])
+ cylinder(r= (storarm_screw_hole_head + storarm_screw_hole_head_slop)/2,
+ h=20);
+ }
+ }
+}
+
+module StorageArmLeft(){ ////toplevel
+ mirror([1,0,0]) StorageArmRight();
+}
+
+module StorArmHoleTest(){ ////toplevel
+ sz = storarm_screw_hole_head + storarm_besides_hole*2;
+ intersection(){
+ StorageArmRight();
+ translate([-50, -storarm_base_off_y, -1])
+ cube([100, sz, sz+1]);
+ }
+}
+
+
+//----- filament guide spacer -----
+
+guide_armdia = 15.0;
+guide_armwidth = 10.2;
+guide_armcorelen = 25.0;
+guide_clipcirclethick = 10.0;
+
+guidefilclip_outerdia = 22.8;
+
+guidespacer_armslop = 0.75;
+guidespacer_armlenslop = 1.05;
+
+guidespacer_prongprotrude = 4;
+guidespacer_thick = 1.6;
+
+// calculated
+
+guidespacer_armdia = guide_armdia + guidespacer_armslop;
+guidespacer_armwidth = guide_armwidth + guidespacer_armslop;
+guidespacer_len = guide_armcorelen - guide_clipcirclethick
+ + guidespacer_armlenslop;
+
+guidespacer_wingheight = (guidefilclip_outerdia - guidespacer_armdia)/2;
+
+module FilamentGuideArmTemplate(extra=0){
+ intersection(){
+ circle(r= (guidespacer_armdia/2) + extra);
+ square(center=true, [guidespacer_armwidth+extra*2,
+ guidespacer_armdia + extra*2 + 10]);
+ }
+}
+
+module FilamentGuideSpacerInnerTemplate(){
+ FilamentGuideArmTemplate();
+ translate([0, -guidespacer_armdia/2])
+ square(center=true, [guidespacer_armwidth - guidespacer_prongprotrude,
+ guidespacer_armdia]);
+}
+
+module FilamentGuideSpacer(){ ////toplevel
+ difference(){
+ union(){
+ linear_extrude(height= guidespacer_len)
+ FilamentGuideArmTemplate(extra= guidespacer_thick);
+ for (angle=[26, 60]) {
+ for (m=[0,1]) {
+ mirror([m,0,0]) {
+ rotate([0,0,angle]) {
+ hull(){
+ for (t=[[0, guidespacer_wingheight],
+ [guidespacer_len-1, -guidespacer_wingheight]])
+ translate([0,0, t[0] + 0.5])
+ cube([guidespacer_thick, guidespacer_armdia + t[1]*2,
+ 1],
+ center=true);
+ }
+ }
+ }
+ }
+ }
+ }
+ translate([0,0,-1])
+ linear_extrude(height= guidespacer_len+5)
+ FilamentGuideSpacerInnerTemplate();
+ }
+}
+
+
+//----- replacement filament guide arm for TAZ-5 -----
+
+guidearm_armslop = 0.25;
+guidearm_armlenslop = 0.25;
+
+guidearm_hookprotr = 3;
+guidearm_hookprotrflat = 1;
+guidearm_hookslope = 0.3;
+
+guidearm_totallen = 60;
+
+guidearm_screwplatesz = 12;
+guidearm_screwplateth = 4;
+guidearm_screwplatewd = 15;
+guidearm_screwhole = 5 + 0.5;
+
+guidearm_bendlen = 40;
+guidearm_bendslot = 4.5;
+
+guidearm_stopthick = 4;
+guidearm_protrslop = 1.0;
+
+// calculated
+
+guidearm_armdia = guide_armdia - guidearm_armslop;
+guidearm_armwidth = guide_armwidth - guidearm_armslop;
+guidearm_armcorelen = guide_armcorelen + guidearm_armlenslop;
+
+guidearm_base_z0 = -(guidearm_totallen - guidearm_armcorelen);
+
+guidearm_realbendlen = min(guidearm_bendlen,
+ guidearm_totallen - guidearm_screwplateth - 0.1);
+guidearm_slopelen = guidearm_hookprotr/guidearm_hookslope;
+
+module FilamentGuideArmStop(h){
+ for (ts=[-1,+1]) {
+ translate([ts * guidearm_hookprotr, 0,0])
+ cylinder(r=guidearm_armdia/2, h, $fn=80);
+ }
+}
+
+module FilamentGuideArmShaftPositive(){
+ r = guidearm_armdia/2;
+
+ translate([0,0, guidearm_base_z0+1])
+ cylinder(r=r, h= guidearm_totallen, $fn=80);
+ translate([0,0, guidearm_armcorelen]){
+ hull(){
+ FilamentGuideArmStop(guidearm_hookprotrflat);
+ translate([0,0, guidearm_slopelen])
+ cylinder(r=r, h=guidearm_hookprotrflat, $fn=80);
+ }
+ }
+ mirror([0,0,1])
+ FilamentGuideArmStop(guidearm_stopthick);
+}
+
+module FilamentGuideArmBase(){
+ translate([0,
+ (guidearm_screwplatewd - guidearm_armwidth)/2,
+ guidearm_base_z0]){
+ difference(){
+ translate([0,0, guidearm_screwplateth/2])
+ cube(center=true,
+ [guidearm_armdia + guidearm_screwplatesz*2,
+ guidearm_screwplatewd,
+ guidearm_screwplateth]);
+ for (ts=[-1,+1]) {
+ translate([ts * (guidearm_armdia/2 + guidearm_screwplatesz/2),
+ 0,
+ -20])
+ cylinder(r= guidearm_screwhole/2, h=40, $fn=20);
+ }
+ }
+ }
+}
+
+module FilamentGuideArm(){ ///toplevel
+ intersection(){
+ difference(){
+ FilamentGuideArmShaftPositive();
+ translate([-guidearm_bendslot/2,
+ -50,
+ -guidearm_realbendlen + guidearm_armcorelen])
+ cube([guidearm_bendslot,
+ 100,
+ guidearm_realbendlen + 100]);
+ hull(){
+ for (zx=[ [ 0, guidearm_bendslot ],
+ [ guidearm_armcorelen + guidearm_slopelen,
+ guidearm_hookprotr*2 + guidearm_protrslop ]
+ ]) {
+ translate([-zx[1]/2, -50, zx[0]])
+ cube([zx[1], 100, 1]);
+ }
+ }
+ }
+ cube(center=true,
+ [guidearm_armdia*2,
+ guidearm_armwidth,
+ guidearm_totallen*3]);
+ }
+ FilamentGuideArmBase();
+}
+
+module FilamentGuideArmPrint(){ ////toplevel
+ rotate([90,0,0])
+ FilamentGuideArm();
+}
+
+module Demo(){ ////toplevel
+ translate([-real_exteffrad,-20,0]) Hub();
+ ArmEnd();
+ translate([ratchettooth*2, 30, 0]) FilamentCup();
+ if (selsz(true,false,false)) {
+ translate([-exteffrad + hubeffrad - hub_clip_baseextend, -10, 0])
+ ArmExtender();
+ }
+}
+