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Imported linkage with instrument socket

An original non-parametric linkage with a new stepped instrument socket, mounting flange and two blind fastener seats. The original linkage remains fixed.

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Retains component 7 from the existing folding stand. Its upper mounting plane is Z=26.45. New flange starts at Z=26 and the socket rises to Z=46, centered X=-195,Y=32. Adjustable cavities remain above the original part. This is an instrument attachment prototype, not a validated moving mechanism. Geometry has been digitally checked; this template has not been physically test-printed.

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Copy the existing authorized folding stand and retain original component 7 as Source part in a private component-only document. Inspect its planar upper region near X=-195,Y=32,Z=26.45. Preserve the original linkage shape and pivot features. If the selected library revision differs, remeasure instead of reusing these coordinates.

1. Create **Socket flange**, radius 18, height 5, initially along +Z, with its base center at (-195, 32, 26).
2. Create **Socket hub**, radius 14, height 15, initially along +Z, with its base center at (-195, 32, 31).
3. Create **Left ear**, a 16 × 18 × 5 box, centered at X=-217, Y=32, with its bottom at Z=26.
4. Create **Right ear**, a 16 × 18 × 5 box, centered at X=-173, Y=32, with its bottom at Z=26.
5. Unite **Source part**, **Socket flange**, **Socket hub**, **Left ear**, **Right ear** as **Linkage with socket**. Require one connected result.
6. Create **Instrument bore**, radius 5.5, height 16, initially along +Z, with its base center at (-195, 32, 34).
7. Create **Instrument shoulder**, radius 8.5, height 6, initially along +Z, with its base center at (-195, 32, 43).
8. Create **Left pilot**, radius 2.4, height 7, initially along +Z, with its base center at (-217, 32, 27).
9. Create **Right pilot**, radius 2.4, height 7, initially along +Z, with its base center at (-173, 32, 27).
10. Subtract **Instrument bore**, **Instrument shoulder**, **Left pilot**, **Right pilot** from **Linkage with socket**, consuming the tools; name the result **Imported instrument socket**.

## Public controls

| Control | Default | Range | Step | Meaning |
| --- | ---: | --- | ---: | --- |
| Instrument socket radius | 5.5 | 4–7 | 0.1 | Radius of the lower blind socket; the original linkage is not drilled. |
| Shoulder recess radius | 8.5 | 8–10 | 0.1 | Radius of the upper locating shoulder. |
| Right mounting pilot radius | 2.4 | 2–2.8 | 0.1 | Radius of the blind fastener seat in the new right ear. |

All unlisted dimensions, topology and feature order remain fixed. Radius controls are radii, not diameters. These are independent numeric ranges; do not introduce unsupported formula bindings or assume a fit standard from an example value.

Adjustable dimensions

Parameter	Default	Range	Step
Instrument socket radius	5.5 mm	4–7 mm	0.1 mm
Shoulder recess radius	8.5 mm	8–10 mm	0.1 mm
Right mounting pilot radius	2.4 mm	2–2.8 mm	0.1 mm