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Eico 950B Dial and Knob Replica Replacement Ccombo

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3D design format
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  • Dial Knob 231001-01.3mf
  • Dial Marker 231001-01.3mf

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Publication date 2023-10-02 at 19:08
Design number 1488544

3D printer file info

3D model description

Here is a replica main dial replacement for an Eico 950B Resistance Capacitance comparator Bridge tester.

This replacement knob is designed to fit any Potentiometer shaft smaller than 6.5mm Dia. The sweep of the dial has three pins that mate with three holes in the knob. There is clearance for glue. Glue with super glue or CA glue. High viscosity glue works best.

The Dial Knob 231001-01.3mf is the knob. It can be resin printer or FDM printed. It has a hole to receive an M3 threaded insert.

https://www.amazon.com/Threaded-Inserts-Printing-Knurled-Automotive/dp/B0BVMMBG2N

After the M3 threaded insert is set, use a 12mm M3x0.5 socket head screw to fix knob on shaft.

I resin printed the Dial Sweep, file name Dial Marker 231001-01.3mf, in clear resin. You should be able to see the markings on the face through the sweep

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If you want to buy a 3D printed part go here:
https://www.ebay.com/itm/235238713930

3D printing settings

Resin print bother parts with 0.05 layer in about 2 hours.

Or FDM print the knob in about 45 minutes at 0.20 layer and resin print the sweep in about 30 minutes in clear resign.

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