openscad/NopSCADlib
1
0
Fork 0
mirror of https://github.com/nophead/NopSCADlib.git synced 2025-08-06 15:36:30 +02:00
Code Issues Releases Wiki Activity

A optional path can now be specified for tubing.

Browse Source
This commit is contained in:
Chris Palmer
2024-04-21 10:26:28 +01:00
parent f563645e45
commit c7e912cd77
2 changed files with 21 additions and 9 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
readme.md
View File

@@ -4771,7 +4771,7 @@ T-Tracks used in woodworking jigs
---
<a name="tubings"></a>
## Tubings
Tubing and sleeving. The internal diameter can be forced to stretch it over something.
Tubing and sleeving. The internal diameter can be forced to stretch it over something. A path can be specified, otherwise it is just straight with the specified length.
[vitamins/tubings.scad](vitamins/tubings.scad) Object definitions.
@@ -4796,7 +4796,7 @@ Tubing and sleeving. The internal diameter can be forced to stretch it over some
### Modules
| Module | Description |
|:--- |:--- |
| `tubing(type, length = 15, forced_id = 0, center = true)` | Draw specified tubing with optional forced internal diameter |
| `tubing(type, length = 15, forced_id = 0, center = true, path = [])` | Draw specified tubing with optional forced internal diameter and optional path. |
![tubings](tests/png/tubings.png)

26
vitamins/tubing.scad
View File

@@ -18,10 +18,11 @@
//
//
//! Tubing and sleeving. The internal diameter can be forced to stretch it over something.
//! Tubing and sleeving. The internal diameter can be forced to stretch it over something. A path can be specified, otherwise it is just straight with the specified length.
//
include <../utils/core/core.scad>
include <../utils/tube.scad>
include <../utils/sweep.scad>
function tubing_material(type) = type[1]; //! Material description
function tubing_od(type) = type[2]; //! Outside diameter
@@ -31,11 +32,12 @@ function tubing_colour(type) = type[4]; //! Colour
function tubing_or(type) = tubing_od(type) / 2; //! Outside radius
function tubing_ir(type) = tubing_id(type) / 2; //! Inside radius
module tubing(type, length = 15, forced_id = 0, center = true) { //! Draw specified tubing with optional forced internal diameter
module tubing(type, length = 15, forced_id = 0, center = true, path = []) { //! Draw specified tubing with optional forced internal diameter and optional path.
original_od = tubing_od(type);
original_id = tubing_id(type);
id = forced_id ? forced_id : original_id;
od = original_od + id - original_id;
length = path ? round(path_length(path)) : length;
if(tubing_material(type) == "Heatshrink sleeving")
vitamin(str("tubing(", type[0], arg(length, 15), "): ", tubing_material(type), " ID ", original_id, "mm x ",length, "mm"));
else
@@ -45,9 +47,19 @@ module tubing(type, length = 15, forced_id = 0, center = true) { //! Draw specif
woven_tube(od / 2, id /2, center = center, length, colour = tubing_colour(type));
else
color(tubing_colour(type))
linear_extrude(length, center = center, convexity = 4)
difference() {
circle(d = od);
circle(d = id);
}
if(path)
render_if(manifold)
difference() {
sweep(path, circle_points(od / 2));
start = path[0] - eps * unit(path[1] - path[0]);
n = len(path) - 1;
end = path[n] + eps * unit(path[n] - path[n - 1]);
sweep(concat([start], path, [end]), circle_points(id / 2));
}
else
linear_extrude(length, center = center, convexity = 4)
difference() {
circle(d = od);
circle(d = id);
}
}