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OpenERV

The OpenERV is a machine which gives you fresh air without the heat loss/gain, in winter or in summer.

Canada
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This user joined on 05/25/2022.

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Silent/ultra quiet way to move air using a clever mechanism, 3d printed
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Silent/ultra quiet roots blower mechanism

openervOpenERV

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A DIY 3D printer (big volume, inexpensive, lightweight and portable).
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RigTig's Big 3D Printer

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This is a design for a low-cost extruder for printing objects directly from recycled plastic flakes instead of using filament.
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Trash Printer - Recycled Plastic 3D Print Head

sam-smithSam Smith

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LP3D is an (almost) fully lasercut, low component count 3D printer with all linear motion components cut directly into the frame.
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A very small HiFi audio CODEC module
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A multi-track, multi-layer Audio Looper for use in a iive Guitar performance setting running on an rPi in bare metal with a 3D printed case.
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patrickPatrick

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This is a 3d printing modular pulley system.Total mechanical advantage is 8:1. So, we can lift a mass of 80 kg with a 10 kg pulling force.
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3D Print High Strength Pulley System(Block&Tackle)

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This is like big boom in small packet, this amplifier comes with deep bass, clear sound without noise and humming. just TDA series
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50Watts Audio Amplifier using TDA7265

lithium-ionLithium ION

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