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Replacement PTT button for SADelta Echo Master Plus Classic

animation.gif Replacement PTT button for SADelta Echo Master Plus Classic
ptt.png Replacement PTT button for SADelta Echo Master Plus Classic
IMG20221028123405.jpg Replacement PTT button for SADelta Echo Master Plus Classic
IMG20221028123355.jpg Replacement PTT button for SADelta Echo Master Plus Classic
SADelta Echo Master Plus Classic PTT button by GregFenton M0ODZ.stl Replacement PTT button for SADelta Echo Master Plus Classic
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Creation quality: 5.0/5 (1 vote)
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  • SADelta Echo Master Plus Classic PTT button by GregFenton M0ODZ.stl

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Publication date 2022-10-28 at 11:39
Design number 902814
GregFenton

GregFenton

3D printer file info

3D model description

A good friend of mine was given an SADelta Echo Master Plus Classic from another friend of his who sadly became SK.
The PTT button as originally designed has legs to activate the PTT and lock the microphone into transmit. Over time these legs wear or snap off.
I was asked if I could make a replacement PTT button, which I did. I have strengthened the entire part, leaving the top part looking very similar to the original PTT button.
After printing, glue the two parts together using the back bumper of the lower part to ensure the parts are square, and the top button needs to be aligned with the legs sideways.

3D printing settings

Ideally a resin printer should be used, although a well calibrated standard 3D printer would work as the entire part lies flat.
The hole has a diameter of 2.1mm to allow the passage of the retaining pin.
When I printed, I did it at 0.05mm with 90s for the bottom layers and 9s for the other layers. The timings may differ for your resin and layer size.
For strength, I did 100% infill, however feel free to experiment.
To retain the original aesthetic, ideally this should be printed in red.

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