Created
January 5, 2026 00:42
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OpenSCAD source code: Focus pad for Ortur YRC-1 chuck rotary
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| // Ortur Rotary Focus Pad | |
| // Ed Nisley - KE4ZNU | |
| // 2026-01-04 | |
| include <BOSL2/std.scad> | |
| Style = "Show"; // [Build,Show] | |
| /* [Hidden] */ | |
| ID = 0; | |
| OD = 1; | |
| LENGTH = 2; | |
| HoleWindage = 0.2; | |
| Protrusion = 0.1; | |
| NumSides = 8*3*4; | |
| $fn=NumSides; | |
| // Magic numbers to fit Ortur jaws | |
| PadOAL = 60.0; // clear assist air fitting | |
| PadIR = 7.0; // jaw tip 35 mm above this point | |
| JawOAL = 14.0; // clear large jaws | |
| Reticle = [0.7,0.7,PadOAL]; | |
| OriginOffset = 28.0; // X origin from chuck plate | |
| //----- | |
| // Pad to give autofocus probe a flat landing zone | |
| module FocusPad() { | |
| difference() { | |
| linear_extrude(PadOAL) | |
| hexagon(ir=PadIR,realign=true,rounding=3.0); | |
| up(JawOAL) { | |
| cube(PadOAL,anchor=BOTTOM+LEFT); | |
| cube(Reticle,spin=45,anchor=BOTTOM); | |
| } | |
| up(OriginOffset) | |
| cube(Reticle,spin=45,orient=FRONT,anchor=CENTER); | |
| for (a=[0:120:360]) | |
| rotate(a) | |
| down(Protrusion) | |
| linear_extrude(JawOAL + 2*Protrusion) | |
| right(PadIR + 15 - 2) // eyeball fit | |
| hexagon(or=15,rounding=0.5); | |
| } | |
| } | |
| //----- | |
| // Build things | |
| if (Style == "Show") | |
| yrot(90) | |
| zrot(180) | |
| FocusPad(); | |
| if (Style == "Build") | |
| FocusPad(); | |
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More details on my blog at https://softsolder.com/2026/01/08/ortur-yrc-1-autofocus-pad/