diff options
| -rw-r--r-- | libraries/shapes.scad | 82 |
1 files changed, 41 insertions, 41 deletions
diff --git a/libraries/shapes.scad b/libraries/shapes.scad index 109903b..6b0e284 100644 --- a/libraries/shapes.scad +++ b/libraries/shapes.scad @@ -35,12 +35,13 @@ //---------------------- -module box(w,h,d) { - cube([w,h,d], true); +// size is a vector [w, h, d] +module box(size) { + cube(size, true); } -module roundedBox(w,h,d,radius) { - size = [w,h,d]; +// size is a vector [w, h, d] +module roundedBox(size, radius) { cube(size - [2*radius,0,0], true); cube(size - [0,2*radius,0], true); for (x = [radius-size[0]/2, -radius+size[0]/2], @@ -53,10 +54,11 @@ module cone(height, radius, center = false) { cylinder(height, radius, 0, center); } -module oval(w,h,d, center = false) { - scale([1, h/w, 1]) cylinder(h=d, r=w, center=center); +module oval(w,h, height, center = false) { + scale([1, h/w, 1]) cylinder(h=height, r=w, center=center); } +// wall is wall thickness module tube(height, radius, wall, center = false) { difference() { cylinder(h=height, r=radius, center=center); @@ -64,66 +66,71 @@ module tube(height, radius, wall, center = false) { } } -module ovalTube(height, rx, ry, wall) { +// wall is wall thickness +module ovalTube(height, rx, ry, wall, center = false) { difference() { - scale([1, ry/rx, 1]) cylinder(h=height, r=rx); - scale([(rx-wall)/rx, (ry-wall)/rx, 1]) cylinder(h=height, r=rx); + scale([1, ry/rx, 1]) cylinder(h=height, r=rx, center=center); + scale([(rx-wall)/rx, (ry-wall)/rx, 1]) cylinder(h=height, r=rx, center=center); } } -module hexagon(size, depth) { +// size is the XY plane size, height in Z +module hexagon(size, height) { boxWidth = size/1.75; - for (r = [-60, 0, 60]) rotate([0,0,r]) cube([boxWidth, size, depth], true); + for (r = [-60, 0, 60]) rotate([0,0,r]) cube([boxWidth, size, height], true); } -module octagon(size, depth) { +// size is the XY plane size, height in Z +module octagon(size, height) { intersection() { - cube([size, size, depth], true); - rotate([0,0,45]) cube([size, size, depth], true); + cube([size, size, height], true); + rotate([0,0,45]) cube([size, size, height], true); } } -module dodecagon(size, depth) { +// size is the XY plane size, height in Z +module dodecagon(size, height) { intersection() { - hexagon(size, depth); - rotate([0,0,90]) hexagon(size, depth); + hexagon(size, height); + rotate([0,0,90]) hexagon(size, height); } } -module hexagram(size, depth) { +// size is the XY plane size, height in Z +module hexagram(size, height) { boxWidth=size/1.75; for (v = [[0,1],[0,-1],[1,-1]]) { intersection() { - rotate([0,0,60*v[0]]) cube([size, boxWidth, depth], true); - rotate([0,0,60*v[1]]) cube([size, boxWidth, depth], true); + rotate([0,0,60*v[0]]) cube([size, boxWidth, height], true); + rotate([0,0,60*v[1]]) cube([size, boxWidth, height], true); } } } -module rightTriangle(adjacent, opposite, depth) { +module rightTriangle(adjacent, opposite, height) { difference() { - translate([-adjacent/2,opposite/2,0]) box(adjacent, opposite, depth); + translate([-adjacent/2,opposite/2,0]) cube([adjacent, opposite, height], true); translate([-adjacent,0,0]) { - rotate([0,0,atan(opposite/adjacent)]) dislocateBox(adjacent*2, opposite, depth); + rotate([0,0,atan(opposite/adjacent)]) dislocateBox(adjacent*2, opposite, height); } } } -module equiTriangle(side, depth) { +module equiTriangle(side, height) { difference() { - translate([-side/2,side/2,0]) box(side, side, depth); - rotate([0,0,30]) dislocateBox(side*2, side, depth); + translate([-side/2,side/2,0]) cube([side, side, height], true); + rotate([0,0,30]) dislocateBox(side*2, side, height); translate([-side,0,0]) { - rotate([0,0,60]) dislocateBox(side*2, side, depth); + rotate([0,0,60]) dislocateBox(side*2, side, height); } } } -module 12ptStar(size, depth) { - starNum=3; - starAngle=360/starNum; - for (s=[1:starNum]) { - rotate([0, 0, s*starAngle]) box(size, size, depth); +module 12ptStar(size, height) { + starNum = 3; + starAngle = 360/starNum; + for (s = [1:starNum]) { + rotate([0, 0, s*starAngle]) cube([size, size, height], true); } } @@ -134,15 +141,8 @@ module 12ptStar(size, depth) { module dislocateBox(w,h,d) { translate([w/2,h,0]) { difference() { - box(w, h*2, d+1); - translate([-w,0,0]) box(w, h*2, d+1); + cube([w, h*2, d+1]); + translate([-w,0,0]) cube([w, h*2, d+1]); } } } - - - - - - - |