Shared by OneldMONstr on Thingiverse:
glas cylinder with each ends open about 80mm in width
27x blue LEDs
3x white LEDs
30x 200 ohm resistors
4x 2k ohm resistors
4x 2N2222 transistor
5M ohm potentiometer
7V energy provide
Use clear filament on the file LED_cap_trans.stl.
Impressed by the numerous abduction lamps on the web. Particularly Lasse Klein (If he was the unique inventor of this nice lamp design! 🙂 )
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