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add sparse_cuboid plus doc fixes
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Adrian Mariano
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a43b9097df
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bd21bac004
33
masks3d.scad
33
masks3d.scad
@ -249,20 +249,6 @@ module chamfer_cylinder_mask(r, chamfer, d, ang=45, from_end=false, anchor=CENTE
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// rounding_edge_mask(l=p.z, r=25);
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// }
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// }
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// Example: Acute angle
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// ang=60;
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// difference() {
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// pie_slice(ang=ang, h=50, r=100);
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// zflip_copy(z=25)
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// #rounding_corner_mask(r=20, ang=ang);
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// }
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// Example: Obtuse angle
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// ang=120;
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// difference() {
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// pie_slice(ang=ang, h=50, r=30);
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// zflip_copy(z=25)
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// #rounding_corner_mask(r=20, ang=ang);
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// }
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function rounding_edge_mask(l, r, ang=90, r1, r2, d, d1, d2, excess=0.1, anchor=CENTER, spin=0, orient=UP, h,height,length) = no_function("rounding_edge_mask");
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module rounding_edge_mask(l, r, ang=90, r1, r2, excess=0.01, d1, d2,d,r,length, h, height, anchor=CENTER, spin=0, orient=UP,
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@ -274,7 +260,7 @@ module rounding_edge_mask(l, r, ang=90, r1, r2, excess=0.01, d1, d2,d,r,length,
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dummy = assert(all_nonnegative([r1,r2]), "radius/diameter value(s) must be nonnegative")
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assert(all_positive([length]), "length/l/h/height must be a positive value")
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assert(is_finite(ang) && ang>0 && ang<180, "ang must be a number between 0 and 180");
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steps = ceil(segs(r)*(180-ang)/360);
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steps = ceil(segs(max(r1,r2))*(180-ang)/360);
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function make_path(r) =
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let(
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arc = r==0 ? repeat([0,0],steps+1)
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@ -383,8 +369,21 @@ module rounding_edge_mask(l, r, ang=90, r1, r2, excess=0.01, d1, d2,d,r,length,
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// corner_mask(TOP)
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// #rounding_corner_mask(r=20);
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// }
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// Example: Acute angle mask
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//
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// Example(VPR=[71.8,0,345.8],VPT=[57.0174,43.8496,24.5863],VPD=263.435,NoScales): Acute angle
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// ang=60;
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// difference() {
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// pie_slice(ang=ang, h=50, r=100);
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// zflip_copy(z=25)
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// #rounding_corner_mask(r=20, ang=ang);
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// }
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// Example(VPR=[62.7,0,5.4],VPT=[6.9671,22.7592,20.7513],VPD=192.044): Obtuse angle
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// ang=120;
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// difference() {
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// pie_slice(ang=ang, h=50, r=30);
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// zflip_copy(z=25)
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// #rounding_corner_mask(r=20, ang=ang);
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// }
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function rounding_corner_mask(r, ang, d, style="octa", excess=0.1, anchor=CENTER, spin=0, orient=UP) = no_function("rounding_corner_mask");
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module rounding_corner_mask(r, ang=90, d, style="octa", excess=0.1, anchor=CENTER, spin=0, orient=UP)
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{
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77
walls.scad
77
walls.scad
@ -16,7 +16,7 @@
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// Synopsis: Makes an open cross-braced rectangular wall.
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// SynTags: Geom
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// Topics: FDM Optimized, Walls
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// See Also: sparse_wall(), corrugated_wall(), thinning_wall(), thinning_triangle(), narrowing_strut()
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// See Also: corrugated_wall(), thinning_wall(), thinning_triangle(), narrowing_strut()
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//
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// Usage:
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// sparse_wall(h, l, thick, [maxang=], [strut=], [max_bridge=]) [ATTACHMENTS];
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@ -30,9 +30,9 @@
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// l = length of strut wall.
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// thick = thickness of strut wall.
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// ---
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// maxang = maximum overhang angle of cross-braces.
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// strut = the width of the cross-braces.
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// max_bridge = maximum bridging distance between cross-braces.
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// maxang = maximum overhang angle of cross-braces, measured down from vertical. Default: 30
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// strut = the width of the cross-braces. Default: 5
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// max_bridge = maximum bridging distance between cross-braces. Default: 20
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// anchor = Translate so anchor point is at origin (0,0,0). See [anchor](attachments.scad#subsection-anchor). Default: `CENTER`
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// spin = Rotate this many degrees around the Z axis after anchor. See [spin](attachments.scad#subsection-spin). Default: `0`
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// orient = Vector to rotate top towards, after spin. See [orient](attachments.scad#subsection-orient). Default: `UP`
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@ -87,6 +87,75 @@ module sparse_wall(h=50, l=100, thick=4, maxang=30, strut=5, max_bridge=20, anch
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}
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// Module: sparse_cuboid()
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// Synopsis: Makes an open cross-braced cuboid
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// SynTags: Geom
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// Topics: FDM Optimized, Walls
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// See Also: sparse_wall(), corrugated_wall(), thinning_wall(), thinning_triangle(), narrowing_strut(), cuboid()
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// Usage:
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// sparse_cuboid(size, [dir], [maxang=], [struct=]
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// Description:
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// Makes an open rectangular cuboid with X-shaped cross-bracing to reduce the need for material in 3d printing.
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// The direction of the cross bracing can be aligned with the X, Y or Z axis. This module can be
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// used as a drop-in replacement for {{cuboid()}} if you belatedly decide that your model would benefit from
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// the sparse construction.
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// Arguments:
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// size = The size of sparse wall, a number or length 3 vector.
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// dir = direction of holes through the cuboid, must be a vector parallel to the X, Y or Z axes, or one of "X", "Y" or "Z". Default: "Y"
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// ---
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// maxang = maximum overhang angle of cross-braces, measured down from vertical. Default: 30
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// strut = the width of the cross-braces. Default: 5
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// max_bridge = maximum bridging distance between cross-braces. Default: 20
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// chamfer = Size of chamfer, inset from sides. Default: No chamfering.
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// rounding = Radius of the edge rounding. Default: No rounding.
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// edges = Edges to mask. See [Specifying Edges](attachments.scad#section-specifying-edges). Default: all edges.
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// except = Edges to explicitly NOT mask. See [Specifying Edges](attachments.scad#section-specifying-edges). Default: No edges.
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// trimcorners = If true, rounds or chamfers corners where three chamfered/rounded edges meet. Default: `true`
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// teardrop = If given as a number, rounding around the bottom edge of the cuboid won't exceed this many degrees from vertical. If true, the limit angle is 45 degrees. Default: `false`
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// anchor = Translate so anchor point is at origin (0,0,0). See [anchor](attachments.scad#subsection-anchor). Default: `CENTER`
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// spin = Rotate this many degrees around the Z axis. See [spin](attachments.scad#subsection-spin). Default: `0`
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// orient = Vector to rotate top towards. See [orient](attachments.scad#subsection-orient). Default: `UP`
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// Examples:
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// sparse_cuboid([10,20,30], strut=1);
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// sparse_cuboid([10,20,30], "Y", strut=1);
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// sparse_cuboid([10,20,30], UP, strut=1);
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// sparse_cuboid(30, FWD, strut=2, rounding=2);
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module sparse_cuboid(size, dir=RIGHT, strut=5, maxang=30, max_bridge=20,
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chamfer,
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rounding,
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edges=EDGES_ALL,
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except=[],
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except_edges,
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trimcorners=true,
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teardrop=false,
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anchor=CENTER, spin=0, orient=UP)
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{
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size = scalar_vec3(size);
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dummy1=assert(in_list(dir,["X","Y","Z"]) || is_vector(dir,3), "dir must be a 3-vector or one of \"X\", \"Y\", or \"Z\"");
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count = len([for(d=dir) if (d!=0) d]);
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dummy2=assert(is_string(dir) || (count==1 && len(dir)<=3), "vector valued dir must have exactly one non-zero component");
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dir = is_string(dir) ? dir
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: dir.x ? "X"
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: dir.y ? "Y"
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: "Z";
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attachable(anchor,spin,orient,size=size){
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intersection(){
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if (dir=="X")
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sparse_wall(size.z,size.y,size.x,strut=strut,maxang=maxang, max_bridge=max_bridge);
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else if (dir=="Y")
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zrot(90)
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sparse_wall(size.z,size.x,size.y,strut=strut,maxang=maxang, max_bridge=max_bridge);
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else
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yrot(90)
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sparse_wall(size.x,size.y,size.z,strut=strut,maxang=maxang, max_bridge=max_bridge);
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cuboid(size=size, chamfer=chamfer, rounding=rounding,edges=edges, except=except, except_edges=except_edges,
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trimcorners=trimcorners, teardrop=teardrop);
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}
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children();
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}
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}
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// Module: corrugated_wall()
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// Synopsis: Makes a corrugated rectangular wall.
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// SynTags: Geom
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