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LampSocket with Mechanically Switchable LED Light for model Helferlein 13 - Little Helper / little bulb — image 1
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LampSocket with Mechanically Switchable LED Light for model Helferlein 13 - Little Helper / little bulb

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Model information

Category
Sculptures
License
Creative Commons — Attribution — Noncommercial — Share Alike

Motivation

I found this nice model of "Helferlein / Little Helper" by DIY Wizard
(based on the popular model "Dummy 13").


To illuminate the bulb you can order a magnetically switchable device ... which I did not have available for a short term realisation.

When I tried to print the model, the lamp socket available only resulted in minor quality parts when printed with PETG (as recommended).

For illumination  I only had the following Mini LED Light at hand:
https://www.amazon.de/dp/B0F9F22FFC?ref=ppx_yo2ov_dt_b_fed_asin_title



Therefore I decided to design a pluggable, completely new lamp socket to:
  a) integrate the available Mini LED Light
  b) get a mechanically switchable solution by simply turning the bulb
  c) get stable parts printable in PETG with satisfying quality that can simply be plugged together

Solution

The Mini LED Light was slightly too large to fit into the bulb, so I decided to scale the model to 150%.
This made the lamp socket large enough to integrate the Mini LED Light.
Also the parts were large enough to get a stable solution.

The Mini LED Light is switched on/off by turning its bottom part clockwise/counter-clockwise.

The lower part of the lamp socket:
   a) holds the bottom part of the Mini LED Light
   b) has an opening to snap in the part "Body2_(1).stl" provided with the model

The upper part of the lamp socket:
   a) holds the top part of the Mini LED Light
   b) provides a matching thread for the transparent bulb which holds the bulb tight enough
        to operate/turn the Mini LED Light switch without slipping

Printing

   material:                 PETG
   layer height:           0.2mm
   support:                  not required
   brim:                       not required
   print orientation:   Upper part - top face facing downwards
                                   Lower Part - bottom face facing downwards
   print sheet:            satin metal sheet (or equally suitable)
   colour:                    Grey


[Hint]
Print the bulb in vase mode to get a nice transparent bulb.
(I only tested the model assembly with this print variant. I used transparent PETG for my prints.)

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