Mida: 90 x 15 x 15 mm
Volum: 13,959 cm3
Farcit al 20%
PLA: g
Temps: minuts
Disseny: Jordi Orts
Es tracta d'una eina molt útil al taller: un motlle per plegar resistències o ponts a les mides estàndard a electrònica.
L'hem dissenyada per a ocupar 4, 5 o 6 forats de les plaques estàndard de prototips.
// prisma de base triangular amb angle recte a [0,0,0]
module prisma3(tb,th,lz) {
polyhedron(
points=[ [tb,0,0], [0,0,0], [0,th,0],
[tb,0,lz],[0,0,lz], [0,th,lz] ],
faces= [ [0,2,1],
[3,4,5],
[0,1,4], [0,4,3],
[1,2,5], [1,5,4],
[0,3,5], [0,5,2] ]
);
}
module tall(dx) {
translate ([dx,0,12]) cube([1,16,3]);
}
difference (){
union(){
cube([30,15.2,10]);
translate ([0,0,10]) cube([30,1,5]);
translate ([0,14.2,10]) cube([30,1,5]);
translate ([0,1,10]) prisma3(30,4,5);
translate ([0,14.2,10]) mirror ([0,1,0]) prisma3(30,4,5);
translate ([30,1.3,0]) cube([30,12.7,10]);
translate ([30,1.3,10]) cube([30,1,5]);
translate ([30,13,10]) cube([30,1,5]);
translate ([30,2.3,10]) prisma3(30,4,5);
translate ([30,13,10]) mirror ([0,1,0]) prisma3(30,4,5);
translate ([60,2.5,0]) cube([30,10.3,10]);
translate ([60,2.5,10]) cube([30,1,5]);
translate ([60,11.8,10]) cube([30,1,5]);
translate ([60,3.5,10]) prisma3(30,4,5);
translate ([60,11.8,10]) mirror ([0,1,0]) prisma3(30,4,5);
translate ( [ 30,1,0]) cylinder (r=1,h=15, $fn=48);
translate ( [ 30,14.2,0]) cylinder (r=1,h=15, $fn=48);
translate ( [ 60,2.3,0]) cylinder (r=1,h=15, $fn=48);
translate ( [ 60,13,0]) cylinder (r=1,h=15, $fn=48);
}
union(){
tall(4);
tall(9);
tall(14);
tall(19);
tall(24);
tall(34);
tall(39);
tall(44);
tall(49);
tall(54);
tall(64);
tall(69);
tall(74);
tall(79);
tall(84);
}
}