FreeRetrofit Kits for 3M Respirators -- common surgical masks can be used as filters in 3M 6000/7500 series respirators.
Thingiverse
35 model
Free
FreeDesign8Studio Retrofit Riser Kickstand
Printables
FreeRecycling retrofit rings: separate your garbage into trash and recycling
Printables
FreeFlashforge Adventurer 5M Retrofit Minimal Enclosure with Everything else
Printables
FreeSparrow Solutions - Zortrax Klipper retrofit toolhead
Printables
Freead5x plate holder retrofit
Printables
FreeUnbreakable Bar Clamp (retrofittable)
Thingiverse
FreeEnder 3 V3 SE - Creality Light Bar (Retrofit)
Printables
FreeSnapMaker J1 Front Load Spool Retrofit
Printables
FreeElegoo Centauri 2 Combo LED strip retrofit
Printables
FreeElegoo Centauri 2 Combo LED retrofit
Thingiverse
FreeMount for BCN D25/W27/W50 Raspberry Pi 3B+ (Klipper Retrofit)
Printables
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$1,13BMW E46 Rear Door Card Plug – Electric Window Retrofit Cover
Cults3D
/https://fbi.cults3d.com/uploaders/52464423/illustration-file/c23b5672-a0e7-4806-815d-2c23a35f2958/0647797c-1244-417b-ae90-f0c3eacf0a5f.png)
$2,24IKEA MOLNART Lamp Holder
Cults3D
/https://fbi.cults3d.com/uploaders/41282095/illustration-file/ef31ff98-3ef9-41e9-8b96-6908fccbaf67/Snimok-ekrana-2026-10-14-150318.png)
$1,00Center Console 2DIN 9-Inch Android Screen Radio Frame Adapter (0.1mm High-Precision 3D Scan)
Cults3D
FreeFallout-Inspired Power Armor Zeerust Retrofuturistic 28mm
Thingiverse
FreeRatRig Vcore 3.0 Front Belt Tensioner retro fit
Printables
Steampunk Pilot, Steampunk Aviator, Steampunk Bust, Dieselpunk Pilot, Airship Captain, Retrofuturistic Pilot, Steampunk Character, Victorian Aeronaut, Steampunk Mechanic
Cults3D
$8,00Technocracy Sentries
MyMiniFactory
$5,00Holle - First Ranger
MyMiniFactory
Dieselpunk Art Deco Eagle Head Pen Holder Desktop Organizer
Cults3D
GBA SP Deluxe Display – Lockable Game Boy Advance SP & Cartridge Storage Case
Cults3D
FreeRetro Future Automobile
MyMiniFactory
$19,99SOVIETICUS | Infantry CORE
MyMiniFactory
FreeZEDA #0026
Sketchfab
$5,00AETYCH14 - Brain Food
MyMiniFactory
/https://fbi.cults3d.com/uploaders/39542059/illustration-file/d5312448-9978-47ab-8378-68e13a80a1ce/atomoc1.jpg)
$5,63Las Gemelas (The Twins) de Atomic Heart
Cults3D
$14,99SOVIETICUS | Field Artillery
MyMiniFactory
$14,99SOVIETICUS | Tank CORE
MyMiniFactory
$9,99SOVIETICUS | Infantry UPGRADE PACK
MyMiniFactory
$4,99SOVIETICUS | High Officer
MyMiniFactory
$14,99SOVIETICUS | Armored Vehicle
MyMiniFactory
$4,99SOVIETICUS | Officer
MyMiniFactory
/https://fbi.cults3d.com/uploaders/43657070/illustration-file/c7dcb5d1-274e-4511-878b-993dd8e8c475/Photoroom_20260922_173917.jpg)
$5,62FLYING ASTROBOY INSPIRATION ARTOY
Cults3D
Steampunk Chess King, Mechanical Chess Piece, Clockwork Chess King, Victorian King, Steampunk Chess Set, Gear King
Cults3D