Extruder for 3D printer
Bowden extruder for a 3D printer with minimal gaps and no extra parts. An eccentric is provided for compressing the spring and releasing the filament rod. Filament replacement with one hand, fixation of the Teflon tube directly on the housing.
The cheapest Chinese extruder served as a donor for a homemade extruder.
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Random DIY
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I decided to try how my homemade 3D printer will cope with small models, for this I chose mini-toys and printed them.
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Today, instead of round guides, the printer received square, using a conventional aluminum profile tube with a cross section of 20 * 20 mm. Bearings roll along the pipe 623zz. All plastic parts were printed on the same printer before it was altered.
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This device helped me to saw a bundle of rolled metal at an angle of 90 degrees without effort.
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This is my first CNC machine assembled with my own hands from available materials. The cost price of the machine is about $170.
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There was a mountain of packages that occupied a whole drawer in the kitchen. And now there is a small box with packages. The whole secret is to roll packages with a simple device.