openscad/NopSCADlib
1
0
Fork 0
mirror of https://github.com/nophead/NopSCADlib.git synced 2025-09-02 11:52:42 +02:00
Code Issues Releases Wiki Activity

Wire_hole_radius() now rounded up to half mm diameters to match metric drills.

Browse Source 
mouse_grommet STL name is now based on the diameter instead of the radius.
Added mouse_grommet_length(r) and documented mouse_grommet_offset(r).
This commit is contained in:
Chris Palmer
2022-01-23 09:14:09 +00:00
parent 1928ec6fb1
commit d4e8dd8311
4 changed files with 23 additions and 17 deletions
Download Patch File Download Diff File Expand all files Collapse all files

14
vitamins/wire.scad
View File

@@ -32,13 +32,13 @@ module ribbon_cable(ways, length) //! Add ribbon cable to the
//
// Cable sizes
//
function cable_wires(cable) = cable[0]; //! Number of wires in a bindle
function cable_wires(cable) = cable[0]; //! Number of wires in a bundle
function cable_wire_size(cable) = cable[1]; //! Size of each wire in a bundle
// numbers from http://mathworld.wolfram.com/CirclePacking.html
function cable_radius(cable) = [0, 1, 2, 2.15, 2.41, 2.7, 3, 3, 3.3][cable_wires(cable)] * cable_wire_size(cable) / 2; //! Radius of a bundle of wires, see <http://mathworld.wolfram.com/CirclePacking.html>.
function wire_hole_radius(cable) = ceil(2 * cable_radius(cable) +1) / 2; //! Radius of a hole to accept a bundle of wires
function wire_hole_radius(cable) = ceil(4 * cable_radius(cable) + 1) / 4; //! Radius of a hole to accept a bundle of wires, rounded up to standard metric drill size
function cable_bundle(cable) = //! Arrangement of a bundle in a flat cable clip
[[0,0], [1,1], [2,1], [2, 0.5 + sin(60)], [2,2], [3, 0.5 + sin(60)], [3,2]][cable_wires(cable)];
@@ -49,11 +49,11 @@ function cable_height(cable) = cable_bundle(cable)[1] * cable_wire_size(cable);
module mouse_hole(cable, h = 100, teardrop = false) { //! A mouse hole to allow a panel to go over a wire bundle.
r = wire_hole_radius(cable);
if(teardrop)
vertical_tearslot(r = r, l = 2 * r, h = h, plus = true);
else
rotate(90)
slot(r, 2 * r, h = h);
if(teardrop)
vertical_tearslot(r = r, l = 2 * r, h = h, plus = true);
else
rotate(90)
slot(r, 2 * r, h = h);
}
module cable_tie_holes(cable_r, h = 100) { //! Holes to thread a ziptie through a panel to make a cable tie.