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24 Hour Engineer

A daily blog about the things created by Brian McEvoy. Original creations, cooking and body mods.

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2026-05-26 (Tu) SimpleEarplugs Talk draft

3D model 3D printed completed concentration ear earplug Grindfest Grindfest 2026 loop Loops magnetic minimalistic modeling noise isolation noise sensitivity OpenSCAD productivity SimpleEarplugs

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2026-05-24 (Su) SimpleEarplugs Writing my Grindfest talk

3D model 3D printed completed concentration ear earplug Grindfest Grindfest 2026 hearing protection loop Loops magnetic minimalistic modeling noise isolation noise sensitivity OpenSCAD productivity SimpleEarplugs

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2026-05-23 (Sa) SimpleEarplugs SWAG assembly

3D model 3D printed completed concentration ear earplug Grindfest Grindfest 2026 hearing protection loop Loops magnetic minimalistic modeling noise isolation noise sensitivity OpenSCAD productivity SimpleEarplugs

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2026-05-21 (Th) SimpleEarplugs Dialed in settings

3D model 3D printed completed concentration ear earplug hearing protection loop Loops magnetic minimalistic modeling noise isolation noise sensitivity OpenSCAD productivity SimpleEarplugs

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2026-05-20 (W) SimpleEarplugs Knock-off design

3D model 3D printed completed concentration ear earplug hearing protection loop Loops magnetic minimalistic modeling noise isolation noise sensitivity OpenSCAD productivity SimpleEarplugs

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2026-05-19 (Tu) SimpleEarplugs MVP model

3D model 3D printed completed concentration ear earplug hearing protection loop Loops magnetic minimalistic modeling noise isolation noise sensitivity OpenSCAD productivity SimpleEarplugs

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2026-04-02 (Th) CombBinderNotepad COMPLETED

clipboard comb binder combbinder CombBinderNotepad completed custom drawing graph graph paper notebook notepad notes portable stationery writing

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2026-02-22 (Su) CombBinderPen Plotter adapter COMPLETED

February 23, 2026

comb binder CombBinderPen COMPLETE completed G2 gel pen graph notebook OpenSCAD overengineered pen pen refill personalized plotter plotting vinyl cutter

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2026-02-21 (Sa) CombBinderPen COMPLETED

February 22, 2026

comb binder CombBinderPen COMPLETE completed G2 gel pen graph notebook OpenSCAD overengineered pen pen refill personalized

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2026-02-19 (Th) TuningWhistles COMPLETED

February 20, 2026

3D Modeling 3D print acoustics alert blue box completed DTMF DTMF decoder dual tone multi frequency Dual-Tone Mult-Frequency phlute phone tones phreaking printer tone generation TuningWhistles whistle

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2026-02-12 (Th) HandcuffKey24 COMPLETED

February 13, 2026

3D Modeling 3D print ACAB alert alert Stop ICE civil disobedience completed defund defund the police handcuff HandcuffKey24 ICE key MakerResistance patriotism police printer resistance whistle WhistleKey

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2026-02-08 (Su) CylinderWhistle COMPLETED

February 09, 2026

3D Modeling 3D print ACAB alert alert Stop ICE civil disobedience completed CylinderWhistle defund defund the police ICE MakerResistance patriotism police printer resistance whistle

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2026-02-03 (Tu) HandcuffKey24 Two-Part print COMPLETED

February 04, 2026

3D Modeling 3D print ACAB alert alert Stop ICE civil disobedience completed defund defund the police handcuff HandcuffKey24 ICE key MakerResistance patriotism police printer resistance whistle WhistleKey

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2025-12-21 (Su) Foraged olives COMPLETED

December 22, 2025

COMPLETE completed DIY

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2024-10-20 (Su) Bubbly phone stand feet adapter COMPLETED

October 21, 2024

3D model 3D printed bubbly completed minkowski modeling OpenSCAD

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2024-05-26 (Su) DocumentationTalk delivered COMPLETED

biohacker BioHacking blog California completed deck DocumentationTalk drive grinder Grindfest Grindfest 9 Grindfest Nine Grindfest2024 Grindfest9 presentation slideshow Tehachapi travel write

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2024-05-21 (Tu) Apartment building fob on implant COMPLETED

completed contactless entry fob magnetic coupling NFC pen testing pentesting physical entry PM3 Proxmark3 RDV4 rfid wireless

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2023-12-13 (W) UV Light Oven COMPLETED

December 14, 2023

385nm 3d printer 3D printering completed cure curing curing oven DIY light oven light strip resin UV UV sensitive

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2023-12-12 (Tu) 24EngGyroscope COMPLETED

December 13, 2023

axis balance bearing centrifugal centripetal completed gyroscope laser cutter laser engraver rotation spin

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Brian McEvoy

Archive

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Labels

#IoTHackDay
<ideal
~
0.96"
0.96" OLED
03-14-2025
1.05946
11*17
11x17
12 root 2

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