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Behind the sd card set 3.3V instead of 5V. Need to unassemble the covers. It should work.
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Today BCN3D has announced the new BCN3D Sigma R17, maybe you should have a look at it:
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Hi, I own a BCN3D Sigma dual extruder and I am relatively happy with Esun PVA as a support material. I have also been printing with Scaffold by e3D, wich is a PVA modified, and performs better, but still have issues in terms of moisture and material adhesion. What’s your experience with this and …
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My choice is the Sigma. Cheaper, better construction and more versatile. One thing you have to consider is what materials you want to print. The Sigma can print flexible and will be soon able to print also abrasive materials. Moreover I think that will be quiter in a few days… https://www.meetup.…
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PVA performs well because of the Ultimaker PVA that is compatible with the Sigma. I have been printing with it in the Sigma and has no comparison with other PVA that I have used before.
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Update the firmware. The new 1.1.6 works much better than the others
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Hi! Just open the gcode, type T1 in the first line and save the file.
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Richrap’s Sigma is a prototype. The present Sigma is noticeably quiter
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The Sigma is 210x297x210
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Hi! I have several BCN3D Sigma. I can also provide technical support if you need. You can contact me by e-mail rogeruceda@gmail.com
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Hola, Este domingo tendrá lugar la Mini Maker Faire de Barcelona en el Cosmo Caixa. Habrá mucha gente y muchas actividades en forma de taller. Os dejo el enlace con la información: http://makerfairebcn.org/ Un saludo, Roger
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The longest print has been 75 hours with PLA+PVA without any problem. You only have to take care of empty the purging deposit every 15-20 hours. It’s a very solid machine with good mechanical components. You will love the Sigma.
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I have experience and I am very happy. The dual independent extruders systems makes the difference. Here you have a review: And here printing with PVA
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Hi Elios, I have a BCN3D Sigma and I don’t have any stringing problems with PLA and ABS. If you want I can print a sample
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Hi Rufox, what’s you extrusion acceleration? Try with 5.000 or+ Increasing travelling acceleration and speed also will help you. I am also having this issues. Maybe is because we are in summer and temperature&humidity are different. Try to dry the material in a oven at 50ºC for one hour.
