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Added render option to drag_chain_assembly().

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This commit is contained in:
Chris Palmer 2021-01-09 18:43:43 +00:00
parent f97070099e
commit 6d59ea2bc8
2 changed files with 11 additions and 8 deletions
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17
printed/drag_chain.scad
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@ -251,7 +251,7 @@ module drag_chain_link(type, start = false, end = false, check_kids = true) { //
}
// Need to use a wrapper because can't define nested modules in an assembly
module _drag_chain_assembly(type, pos = 0) {
module _drag_chain_assembly(type, pos = 0, render = false) {
s = drag_chain_size(type);
x = (1 + exploded()) * s.x;
r = drag_chain_radius(type) * x / s.x;
@ -278,8 +278,11 @@ module _drag_chain_assembly(type, pos = 0) {
module link(n) // Position and colour link with origin at the hinge hole
translate([-z / 2, 0, -z / 2]) {
stl_colour(n < 0 || n == npoints - 1 ? pp3_colour : n % 2 ? pp1_colour : pp2_colour)
drag_chain_link(type, start = n == -1, end = n == npoints - 1, check_kids = false)
let($fasteners = 0) children();
render_if(render)
drag_chain_link(type, start = n == -1, end = n == npoints - 1, check_kids = false)
let($fasteners = 0)
children();
let($fasteners = 1) children();
}
@ -307,15 +310,15 @@ module _drag_chain_assembly(type, pos = 0) {
//! 1. Remove the support material from the links with side cutters.
//! 1. Clip the links together with the special ones at the ends.
module drag_chain_assembly(type, pos = 0) //! Drag chain assembly
module drag_chain_assembly(type, pos = 0, render = false) //! Drag chain assembly
assembly(str(drag_chain_name(type), "_drag_chain"), big = true)
if($children == 2)
_drag_chain_assembly(type, pos) {
_drag_chain_assembly(type, pos, render) {
children(0);
children(1);
}
else if($children == 1)
_drag_chain_assembly(type, pos)
_drag_chain_assembly(type, pos, render)
children(0);
else
_drag_chain_assembly(type, pos);
_drag_chain_assembly(type, pos, render);

2
readme.md
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@ -4559,7 +4559,7 @@ to the assembly, for example to add inserts.
### Modules
| Module | Description |
|:--- |:--- |
| `drag_chain_assembly(type, pos = 0)` | Drag chain assembly |
| `drag_chain_assembly(type, pos = 0, render = false)` | Drag chain assembly |
| `drag_chain_link(type, start = false, end = false, check_kids = true)` | One link of the chain, special case for start and end |
| `drag_chain_screw_positions(type, end)` | Place children at the screw positions, end = 0 for the start, 1 for the end |
| `screw_lug(screw, h = 0)` | Create a D shaped lug for a screw |