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The Impossible Eiffel Tower

How to build your own impossible Eiffel tower – a fully 3D printed tensegrity structure in gift-card format.
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BlueCArd – part 9 – the ultimate Print and Assembly manual

How to print and assembly the Arduino based Bluetooth (BLE) Android controlled RC car BlueCArd.
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Fully 3D printable Spool Holder with four 3D printed Planetary Gear Bearings

Fully 3D printable four bearings Spool Holder for 3D printer enclosure, optimised for easy spool change.
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BlueCArd – part 8 – controlling a Servo Motor from Arduino Nano with an Android device

How to connect a servo motor to an Arduino Nano microcontroller and how to control it from an Android device using BLE
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How to level the bed of a Prusa i3 MK3S 3D printer using 3D printed TPU rings

How to level the bed of a Prusa i3 MK3S 3D printer using 3D printed TPU rings, so You can get the perfect first layer
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BlueCArd – part 7 – using H-Bridge to control a DC Motor from Arduino Nano

How to connect and control a DC Motor to an Arduino Nano using an H-Bridge and how to send commands from Android to the Arduino Nano…






