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| author | Erich Eckner <git@eckner.net> | 2024-04-22 21:24:43 +0200 |
|---|---|---|
| committer | Erich Eckner <git@eckner.net> | 2024-04-22 21:24:43 +0200 |
| commit | 807e1f7680e1783d4fd60a124d6df9214893a7af (patch) | |
| tree | 23e3b23094c6dd8729b5253acdc7c865f7846b38 | |
| parent | f49c9fb838531341390c31a1549af20ade9b7aab (diff) | |
| download | 3D-807e1f7680e1783d4fd60a124d6df9214893a7af.tar.xz | |
Lego/Loopingstart neu
| -rw-r--r-- | Lego/Lego.scad | 46 | ||||
| -rw-r--r-- | Lego/Makefile | 3 |
2 files changed, 49 insertions, 0 deletions
diff --git a/Lego/Lego.scad b/Lego/Lego.scad index 7b271a7..d2fb1d3 100644 --- a/Lego/Lego.scad +++ b/Lego/Lego.scad @@ -633,6 +633,49 @@ module WeicheT(br) { } } +function Loopingstart_trajektorie(br,ho,a) = [ 0, ((br-1)*(1/2-sin(a))+1/2)*d, ((ho-1)*(1-cos(a))+1)*h ]; + +module Loopingstart_positiv(br,ho) { + da = fa(max((br-1)*d,(ho-1)*h)); + intersection() { + for (a=[0:da:90]) + hull() { + translate(Loopingstart_trajektorie(br,ho,a)) + sphere(r = hubelino_d/2 + r/2); + translate(Loopingstart_trajektorie(br,ho,a+da)) + sphere(r = hubelino_d/2 + r/2); + } + translate([-d+eps,-br*d/2+eps,0]) + cube([2*d-2*eps,br*d-2*eps,ho*h-eps]); + } +} + +module Loopingstart_negativ(br,ho) { + da = fa(max((br-1)*d,(ho-1)*h)); + for (a=[0:da:90]) + hull() { + translate(Loopingstart_trajektorie(br,ho,a)) + sphere(r = hubelino_d/2); + translate(Loopingstart_trajektorie(br,ho,a+da)) + sphere(r = hubelino_d/2); + } + sk = max(2,br-1,(ho-1)*h/d); + translate([0,br*d/2,ho*h]) + scale([2/sk,(br-1)/sk,(ho-1)*h/d/sk]) + rotate([0,90,0]) + cylinder(h=sk*d, r=sk*d, center=true); +} + +module Loopingstart(br,ho) { + difference() { + union() { + Lego_unten(2,br,ho*h); + Loopingstart_positiv(br,ho); + } + Loopingstart_negativ(br,ho); + } +} + l=4; if (Teil == "Helix") { Helix(l); @@ -648,6 +691,9 @@ if (Teil == "Helix") { } else if (Teil == "Looping") { mirror([0,1,0]) Rooping(l); +} else if (Teil == "Loopingstart") { + h=4; + Loopingstart(l,h); } else if (Teil == "Prellbock") { Prellbock(l); } else if (Teil == "Rampe") { diff --git a/Lego/Makefile b/Lego/Makefile index e1e30b1..a2c75bb 100644 --- a/Lego/Makefile +++ b/Lego/Makefile @@ -13,6 +13,9 @@ Lego/Lego-KreuzungMitLoch-%.stl: Lego/Lego.scad Lego/Lego-Looping-%.stl: Lego/Lego.scad openscad -D '$$fa=$(FA)' -D '$$fs=$(FS)' -D 'Teil="Looping"' -D l=$(word 3,$(subst -, ,$(patsubst %.stl,%,$@))) --export-format stl -o $@ $< +Lego/Lego-Loopingstart-%.stl: Lego/Lego.scad + openscad -D '$$fa=$(FA)' -D '$$fs=$(FS)' -D 'Teil="Loopingstart"' -D l=$(word 3,$(subst -, ,$(patsubst %.stl,%,$@))) -D h=$(word 4,$(subst -, ,$(patsubst %.stl,%,$@))) --export-format stl -o $@ $< + Lego/Lego-Prellbock-%.stl: Lego/Lego.scad openscad -D '$$fa=$(FA)' -D '$$fs=$(FS)' -D 'Teil="Prellbock"' -D l=$(lastword $(subst -, ,$(patsubst %.stl,%,$@))) --export-format stl -o $@ $< |