I thought some of you might be interested in a project I've just finished

3D Printing
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I thought some of you might be interested in a project I’ve just finished to improve the dual extruder performance of my 3d printer - a Bukobot Duo.
I decided to split the standard dual-extruder x-carriage in half and drive each extruder separately (i.e., there’s now two X-carriages). This means you can park-and-cap one extruder while the other is printing. This avoids the normal ooze problems you have with the inactive extruder when printing, So far I’ve been getting really good results.

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SUPER COOL!!

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This firmware could also be easily extended to support the simultaneous printing of two copies of an arbitrary object (as long as they both fit on the build platform) - thereby doubling your printer’s throughput.

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This is great, I think 2 bowden extruders would fit on my prusa mendel (original size), without resizing and replacing rods.